functions/DynamicParams.ps1

<#

    These are all the functions for tab completion (auto-population of params)
    To use, place this after params in a function
    
    DynamicParam { if ($source) { return (Get-ParamSqlXyz -SqlServer $Source -SqlCredential $SourceSqlCredential) } }

#>

Function Get-ParamSqlServerConfigs
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Server Configs from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $configlist = @()
    $server.Configuration.ShowAdvancedOptions.ConfigValue = $true
    $null = $server.ConnectionContext.ExecuteNonQuery("RECONFIGURE WITH OVERRIDE")
    $configlist = $server.Configuration.PsObject.Properties.Name | Where-Object { $_ -notin "Parent", "Properties" }
    $server.Configuration.ShowAdvancedOptions.ConfigValue = $false
    $null = $server.ConnectionContext.ExecuteNonQuery("RECONFIGURE WITH OVERRIDE")
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($configlist) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $configlist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($configlist) { $attributeCollection.Add($validationset) }
    $Configs = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Configs", [String[]], $attributeCollection)
    
    $newparams.Add("Configs", $Configs)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlDatabases
{
<#
.SYNOPSIS
Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
filled with database list from specified SQL Server server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    $SupportDbs = "ReportServer", "ReportServerTempDb", "distribution"
    
    # Populate arrays
    $databaselist = @()
    
    if ($server.Databases.Count -gt 255)
    {
        # Don't slow them down by building a list that likely won't be used anyway
        $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
        $attributes = New-Object System.Management.Automation.ParameterAttribute
        $attributes.ParameterSetName = "__AllParameterSets"
        $attributes.Mandatory = $false
        $Databases = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Databases", [String[]], $attributes)
        $newparams.Add("Databases", $Databases)
        $Exclude = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Exclude", [String[]], $attributes)
        $newparams.Add("Exclude", $Exclude)
        return $newparams
    }
    
    foreach ($database in $server.databases)
    {
        if ((!$database.IsSystemObject) -and $SupportDbs -notcontains $database.name)
        {
            $databaselist += $database.name
        }
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    
    # Provide backwards compatability for improperly named parameter
    # Scratch that. I'm going with plural. Sorry, Snoves!
    $alias = New-Object System.Management.Automation.AliasAttribute "Database"
    
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($databaselist) { $dbvalidationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $databaselist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($databaselist) { $attributeCollection.Add($dbvalidationset) }
    $attributeCollection.Add($alias)
    $Databases = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Databases", [String[]], $attributeCollection)
    
    
    $eattributes = New-Object System.Management.Automation.ParameterAttribute
    $eattributes.ParameterSetName = "__AllParameterSets"
    $eattributes.Mandatory = $false
    $eattributes.Position = 20
    $dbexcludeattributes = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $dbexcludeattributes.Add($eattributes)
    if ($databaselist) { $dbexcludeattributes.Add($dbvalidationset) }
    $Exclude = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Exclude", [String[]], $dbexcludeattributes)
    
    $newparams.Add("Databases", $Databases)
    $newparams.Add("Exclude", $Exclude)
    
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlLogins
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with login list from specified SQL Server server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    
    if ($server.logins.count -gt 255)
    {
        # Don't slow them down by building a list that likely won't be used anyway
        $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
        $attributes = New-Object System.Management.Automation.ParameterAttribute
        $attributes.ParameterSetName = "__AllParameterSets"
        $attributes.Mandatory = $false
        $Logins = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Logins", [String[]], $attributes)
        $newparams.Add("Logins", $Logins)
        $Exclude = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Exclude", [String[]], $attributes)
        $newparams.Add("Exclude", $Exclude)
        return $newparams
    }
    
    $loginlist = @()
    
    foreach ($login in $server.logins)
    {
        if (!$login.name.StartsWith("##") -and $login.name -ne 'sa')
        {
            $loginlist += $login.name
        }
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    # Provide backwards compatability for improperly named parameter
    # Scratch that. I'm going with plural. Sorry, Snoves!
    $alias = New-Object System.Management.Automation.AliasAttribute "Login"
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Login list parameter setup
    if ($loginlist) { $loginvalidationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $loginlist }
    
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($loginlist) { $attributeCollection.Add($loginvalidationset) }
    
    $attributeCollection.Add($alias)
    $Logins = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Logins", [String[]], $attributeCollection)
    
    $excludeattributes = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $excludeattributes.Add($attributes)
    if ($loginlist) { $excludeattributes.Add($loginvalidationset) }
    $Exclude = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Exclude", [String[]], $excludeattributes)
    
    $newparams.Add("Logins", $Logins)
    $newparams.Add("Exclude", $Exclude)
    
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlServerRoles
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Server Roles from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $rolelist = @()
    $roles = $server.roles | Where-Object { $_.IsFixedRole -eq $false -and $_.Name -ne 'public' }
    foreach ($role in $roles)
    {
        $rolelist += $role.name
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($rolelist) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $rolelist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($rolelist) { $attributeCollection.Add($validationset) }
    $roles = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Roles", [String[]], $attributeCollection)
    
    $newparams.Add("Roles", $roles)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlCredentials
{
<#
.SYNOPSIS
Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
filled with SQL Credentials from specified SQL Server server name.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $credentiallist = @()
    foreach ($credential in $server.credentials)
    {
        $credentiallist += $credential.name
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($credentiallist) { $dbvalidationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $credentiallist }
    $lsattributes = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $lsattributes.Add($attributes)
    if ($credentiallist) { $lsattributes.Add($dbvalidationset) }
    $Credentials = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Credentials", [String[]], $lsattributes)
    
    $newparams.Add("Credentials", $Credentials)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlServerAudits
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Server Audits from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $auditlist = @()
    foreach ($audit in $server.audits)
    {
        $auditlist += $audit.name
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($auditlist) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $auditlist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($auditlist) { $attributeCollection.Add($validationset) }
    $audits = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Audits", [String[]], $attributeCollection)
    
    $newparams.Add("Audits", $audits)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlServerServerAuditSpecifications
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Server ServerAuditSpecifications from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $auditspeclist = @()
    foreach ($auditspec in $server.ServerAuditSpecifications)
    {
        $auditspeclist += $auditspecname
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($auditspeclist) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $auditspeclist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($auditspeclist) { $attributeCollection.Add($validationset) }
    $serverAuditSpecifications = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("ServerAuditSpecifications", [String[]], $attributeCollection)
    
    $newparams.Add("ServerAuditSpecifications", $serverAuditSpecifications)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlBackupDevices
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Backup Devices from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $backupdevicelist = @()
    foreach ($backupdevice in $server.BackupDevices)
    {
        $backupdevicelist += $backupdevice.name
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($backupdevicelist) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $backupdevicelist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($backupdevicelist) { $attributeCollection.Add($validationset) }
    $backupdevices = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("BackupDevices", [String[]], $attributeCollection)
    
    $newparams.Add("BackupDevices", $backupdevices)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlServerEndpoints
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Server Endpoints from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $endpointlist = @()
    $usernedponit = $server.Endpoints | Where-Object { $_.IsSystemObject -eq $false }
    foreach ($endpoint in $server.Endpoints)
    {
        $endpointlist += $endpointname
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($endpointlist) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $endpointlist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($endpointlist) { $attributeCollection.Add($validationset) }
    $Endpoints = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Endpoints", [String[]], $attributeCollection)
    
    $newparams.Add("Endpoints", $Endpoints)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlLinkedServers
{
<#
.SYNOPSIS
Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
filled with Linked Servers from specified server name.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $linkedserverlist = @()
    foreach ($linkedserver in $server.LinkedServers)
    {
        # skip the replication linked server
        if ($linkedserver.name -ne 'repl_distributor')
        {
            $linkedserverlist += $linkedserver.name
        }
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($linkedserverlist) { $dbvalidationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $linkedserverlist }
    $lsattributes = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $lsattributes.Add($attributes)
    if ($linkedserverlist) { $lsattributes.Add($dbvalidationset) }
    $LinkedServers = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("LinkedServers", [String[]], $lsattributes)
    
    $newparams.Add("LinkedServers", $LinkedServers)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlPolicyManagement
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Sql Policy Management objects from specified SQL Server server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    if ([System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.Dmf") -eq $null)
        {
            return
        }
    
    $sqlconn = $server.ConnectionContext.SqlConnectionObject
    $sqlStoreConnection = New-Object Microsoft.SqlServer.Management.Sdk.Sfc.SqlStoreConnection $sqlconn
    
    # DMF is the Declarative Management Framework, Policy Based Management's old name
    $store = New-Object Microsoft.SqlServer.Management.DMF.PolicyStore $sqlStoreConnection
    
    $objects = "Policies", "Conditions" # Maybe other stuff later? I don't know PBM well enough yet to know.
    
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    foreach ($name in $objects)
    {
        $items = $store.$name.Name
        if ($items.count -gt 0)
        {
            $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
            $attributeCollection.Add($attributes)
            $attributeCollection.Add((New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $items))
        }
        
        $newparams.Add($name, (New-Object -Type System.Management.Automation.RuntimeDefinedParameter($name, [String[]], $attributeCollection)))
    }
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlResourceGovernor
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Resource Governor objects from specified SQL Server server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    $pools = $server.ResourceGovernor.ResourcePools | Where-Object { $_.Name -notin "internal", "default" }
    
    if ($pools.count -gt 0)
    {
        $attributes = New-Object System.Management.Automation.ParameterAttribute
        $attributes.ParameterSetName = "__AllParameterSets"
        $attributes.Mandatory = $false
        $attributes.Position = 3
        
        $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
        $attributeCollection.Add($attributes)
        $attributeCollection.Add((New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $pools.Name))
        
        $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
        $newparams.Add("ResourcePools", (New-Object -Type System.Management.Automation.RuntimeDefinedParameter("ResourcePools", [String[]], $attributeCollection)))
    }
    $server.ConnectionContext.Disconnect()
    return $newparams
}

Function Get-ParamSqlExtendedEvents
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Extended Event objects from specified SQL Server server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    if ([System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.Management.XEvent") -eq $null)
    {
        return
    }
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    $sqlconn = $server.ConnectionContext.SqlConnectionObject
    $sqlStoreConnection = New-Object Microsoft.SqlServer.Management.Sdk.Sfc.SqlStoreConnection $sqlconn
    
    $store = New-Object  Microsoft.SqlServer.Management.XEvent.XEStore $sqlStoreConnection
    
    $objects = "Sessions" # Maybe packages later? I don't understand xEvents well enough yet to know.
    
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    foreach ($name in $objects)
    {
        $items = $store.$name.Name
        if ($items.count -gt 0)
        {
            $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
            $attributeCollection.Add($attributes)
            $attributeCollection.Add((New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $items))
        }
        
        $newparams.Add($name, (New-Object -Type System.Management.Automation.RuntimeDefinedParameter($name, [String[]], $attributeCollection)))
    }
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlDatabaseMail
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Database Mail server objects from specified SQL Server server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    $objects = "ConfigurationValues", "Profiles", "Accounts", "MailServers"
    
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    foreach ($name in $objects)
    {
        if ($name -eq "MailServers") { $items = $server.Mail.Accounts.$name.Name }
        else { $items = $server.Mail.$name.Name }
        if ($items.count -gt 0)
        {
            $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
            $attributeCollection.Add($attributes)
            $attributeCollection.Add((New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $items))
        }
        
        $newparams.Add($name, (New-Object -Type System.Management.Automation.RuntimeDefinedParameter($name, [String[]], $attributeCollection)))
    }
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlJobServer
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with job server objects from specified SQL Server server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    $jobobjects = "ProxyAccounts", "JobSchedule", "SharedSchedules", "AlertSystem", "JobCategories", "OperatorCategories"
    $jobobjects += "AlertCategories", "Alerts", "TargetServerGroups", "TargetServers", "Operators", "Jobs", "Mail"
    
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    foreach ($name in $jobobjects)
    {
        $items = $server.JobServer.$name.Name
        if ($items.count -gt 0)
        {
            $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
            $attributeCollection.Add($attributes)
            $attributeCollection.Add((New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $items))
        }
        
        $newparams.Add($name, (New-Object -Type System.Management.Automation.RuntimeDefinedParameter($name, [String[]], $attributeCollection)))
    }
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlCmsGroups
{
<#
.SYNOPSIS
Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
filled with server groups from specified SQL Server Central Management server name.

#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
        
    )
    
    if ([Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.Management.RegisteredServers") -eq $null)
        {
            return
        }
        
    try { $SqlCms = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }

    $sqlconnection = $SqlCms.ConnectionContext.SqlConnectionObject
    
    try { $cmstore = New-Object Microsoft.SqlServer.Management.RegisteredServers.RegisteredServersStore($sqlconnection) }
    catch { return }
    
    if ($cmstore -eq $null) { return }

    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $paramattributes = New-Object System.Management.Automation.ParameterAttribute
    $paramattributes.ParameterSetName = "__AllParameterSets"
    $paramattributes.Mandatory = $false
    $paramattributes.Position = 3
    
    $argumentlist = $cmstore.DatabaseEngineServerGroup.ServerGroups.name
    
    if ($argumentlist -ne $null)
    {
        $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $argumentlist

        $combinedattributes = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
        $combinedattributes.Add($paramattributes)
        $combinedattributes.Add($validationset)
        $SqlCmsGroups = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("SqlCmsGroups", [String[]], $combinedattributes)
        $newparams.Add("SqlCmsGroups", $SqlCmsGroups)
        $Group = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Group", [String[]], $combinedattributes)
        $newparams.Add("Group", $Group)
        
        return $newparams
    }
    else { return }
}

Function Get-ParamSqlServerTriggers
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Server Triggers from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $triggerlist = @()
    foreach ($trigger in $server.Triggers)
    {
        $triggerlist += $trigger.name
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($triggerlist) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $triggerlist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($triggerlist) { $attributeCollection.Add($validationset) }
    $Triggers = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Triggers", [String[]], $attributeCollection)
    
    $newparams.Add("Triggers", $Triggers)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}


Function Get-ParamSqlCustomErrors
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with ID of Server Custom Errors/User Defined Messages from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $messagelist = @()
    $uniquemessageid = $server.UserDefinedMessages | Select ID | Sort-Object | Get-Unique
    foreach ($message in $uniquemessageid)
    {
        $messagelist += $message.ID
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($messagelist) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $messagelist }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($messagelist) { $attributeCollection.Add($validationset) }
    $CustomErrors = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("CustomErrors", [String[]], $attributeCollection)
    
    $newparams.Add("CustomErrors", $CustomErrors)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlDatabaseAssemblies
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with assemblies from specified SQL Server.
    
 Assembly name is in database.assemblyname format.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    ######### Assemblies
    $list = @()
    
    foreach ($database in $server.Databases)
    {
        try
        {
            # a bug here requires a try/catch
            $userAssemblies = $($database.assemblies | Where-Object { $_.isSystemObject -eq $false })
            foreach ($assembly in $userAssemblies)
            {
                $name = "$($database.name).$($assembly.name)"
                $list += $name
            }
        }
        catch { }
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list)
    {
        $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list
    }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $Assemblies = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Assemblies", [String[]], $attributeCollection)
    
    $newparams.Add("Assemblies", $Assemblies)
    
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}


Function Get-ParamSqlDataCollectionSets
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Collection Sets from specified SQL Server's Data Collection object.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    if ([System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.Management.Collector") -eq $null)
        {
            return
        }
        
    $sqlconn = $server.ConnectionContext.SqlConnectionObject
    $storeconn = New-Object Microsoft.SqlServer.Management.Sdk.Sfc.SqlStoreConnection $sqlconn
    $store = New-Object Microsoft.SqlServer.Management.Collector.CollectorConfigStore $storeconn
    
    # Populate arrays
    $list = @()
    
    $collectionsets = $store.CollectionSets | Where-Object { $_.isSystem -eq $false }
    foreach ($collectionset in $collectionsets)
    {
        $list += $collectionset.name
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $CollectionSets = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("CollectionSets", [String[]], $attributeCollection)
    
    $newparams.Add("CollectionSets", $CollectionSets)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}


Function Get-ParamSqlAlerts
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Alerts from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = $server.JobServer.Alerts.Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $Alerts = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Alerts", [String[]], $attributeCollection)
    
    $newparams.Add("Alerts", $Alerts)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}


Function Get-ParamSqlOperators
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Operators from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = $server.JobServer.Operators.Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $Operators = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Operators", [String[]], $attributeCollection)
    
    $newparams.Add("Operators", $Operators)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlOperatorCategories
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with OperatorCategories from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = ($server.JobServer.OperatorCategories | Where-Object { $_.ID -ge 100 }).Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $OperatorCategories = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("OperatorCategories", [String[]], $attributeCollection)
    
    $newparams.Add("OperatorCategories", $OperatorCategories)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}


Function Get-ParamSqlProxyAccounts
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with ProxyAccounts from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = $server.JobServer.ProxyAccounts.Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $ProxyAccounts = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("ProxyAccounts", [String[]], $attributeCollection)
    
    $newparams.Add("ProxyAccounts", $ProxyAccounts)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}



Function Get-ParamSqlSharedSchedules
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with SharedSchedules from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = $server.JobServer.SharedSchedules.Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $SharedSchedules = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("SharedSchedules", [String[]], $attributeCollection)
    
    $newparams.Add("SharedSchedules", $SharedSchedules)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlJobCategories
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with JobCategories from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = ($server.JobServer.JobCategories | Where-Object { $_.ID -ge 100 }).Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $JobCategories = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("JobCategories", [String[]], $attributeCollection)
    
    $newparams.Add("JobCategories", $JobCategories)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlAlertCategories
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with AlertCategories from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = ($server.JobServer.AlertCategories | Where-Object { $_.ID -ge 100 }).Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $AlertCategories = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("AlertCategories", [String[]], $attributeCollection)
    
    $newparams.Add("AlertCategories", $AlertCategories)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlTargetServers
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with TargetServers from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = $server.JobServer.TargetServers.Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $TargetServers = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("TargetServers", [String[]], $attributeCollection)
    
    $newparams.Add("TargetServers", $TargetServers)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlTargetServerGroups
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with TargetServerGroups from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = $server.JobServer.TargetServerGroups.Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $TargetServerGroups = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("TargetServerGroups", [String[]], $attributeCollection)
    
    $newparams.Add("TargetServerGroups", $TargetServerGroups)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlJobs
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Jobs from specified SQL Server Job Server (SQL Agent).
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    $list = $server.JobServer.Jobs.Name
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($list) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $list }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($list) { $attributeCollection.Add($validationset) }
    $Jobs = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("Jobs", [String[]], $attributeCollection)
    
    $newparams.Add("Jobs", $Jobs)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}

Function Get-ParamSqlAgentCategories
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with job server objects from specified SQL Server server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance","SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    $jobobjects = "JobCategories", "OperatorCategories", "AlertCategories"
    
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    $attributes.ParameterSetName = "__AllParameterSets"
    $attributes.Mandatory = $false
    $attributes.Position = 3
    
    foreach ($name in $jobobjects)
    {
        $items = ($server.JobServer.$name | Where-Object { $_.ID -ge 100 }).Name
        if ($items.count -gt 0)
        {
            $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
            $attributeCollection.Add($attributes)
            $attributeCollection.Add((New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $items))
        }
        
        $newparams.Add($name, (New-Object -Type System.Management.Automation.RuntimeDefinedParameter($name, [String[]], $attributeCollection)))
    }
    
    return $newparams
}

Function Get-ParamSqlDatabaseFileTypes
{
<#
 .SYNOPSIS
 Internal function. Returns System.Management.Automation.RuntimeDefinedParameterDictionary
 filled with Server Configs from specified SQL Server.
#>
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias("ServerInstance", "SqlInstance")]
        [object]$SqlServer,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    try { $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential -ParameterConnection }
    catch { return }
    
    # Populate arrays
    
    if ($server.versionMajor -eq 8)
    {
        $sql = "select distinct CASE WHEN groupid = 1 THEN 'ROWS' WHEN groupid = 0 THEN 'LOG' END as filetype from sysaltfiles"
    }
    else
    {
        $sql = "SELECT distinct CASE type_desc WHEN 'ROWS' then 'DATA' ELSE type_desc END AS FileType FROM sys.master_files mf INNER JOIN sys.databases db ON db.database_id = mf.database_id"
    }
    
    $dbfiletable = $server.ConnectionContext.ExecuteWithResults($sql)    
    $filetypes = ($dbfiletable.Tables[0].Rows).FileType
    
    if ($server.versionMajor -eq 8)
    {
        $filetypes += "FULLTEXT"
    }
    
    # Reusable parameter setup
    $newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
    $attributes = New-Object System.Management.Automation.ParameterAttribute
    
    $attributes.ParameterSetName = "FileTypes"
    $attributes.Mandatory = $true
    $attributes.Position = 3
    
    # Database list parameter setup
    if ($filetypes) { $validationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $filetypes }
    $attributeCollection = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
    $attributeCollection.Add($attributes)
    if ($filetypes) { $attributeCollection.Add($validationset) }
    $FileType = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("FileType", [String[]], $attributeCollection)
    
    $newparams.Add("FileType", $FileType)
    $server.ConnectionContext.Disconnect()
    
    return $newparams
}