internal/functions/Method14.ps1

Function Method14 {
    <#
    .SYNOPSIS
    Method to change sensitivity to items in a folder.
     
    .DESCRIPTION
    Method to change sensitivity to items in a folder.
     
    .PARAMETER ClientID
    String parameter with the ClientID (or AppId) of your AzureAD Registered App.
 
    .PARAMETER TenantID
    String parameter with the TenantID your AzureAD tenant.
 
    .PARAMETER ClientSecret
    String parameter with the Client Secret which is configured in the AzureAD App.
     
    .EXAMPLE
    PS C:\> Method14
    Method to change sensitivity to items in a folder.
 
    #>

    [CmdletBinding()]
    param(
        [String] $ClientID,

        [String] $TenantID,

        [String] $ClientSecret
    )
    $statusBarLabel.Text = "Running..."

    Test-StopWatch -Service $service -ClientID $ClientID -TenantID $TenantID -ClientSecret $ClientSecret

    if ( $txtBoxFolderID.Text -ne "" )
    {
        # Creating Filter variables
        $service.clientRequestId = (New-Guid).ToString()
        $FolderID = new-object Microsoft.Exchange.WebServices.Data.FolderId($txtBoxFolderID.Text)
        $Folder = [Microsoft.Exchange.WebServices.Data.Folder]::Bind($service,$FolderID)
        $StartDate = $FromDatePicker.Value
  $EndDate = $ToDatePicker.Value
  $MsgSubject = $txtBoxSubject.text
        [int]$i = 0

        # Combining Filters into a single Collection
        $filters = @()
        if ( $MsgSubject -ne "" )
        {
            $Filter1 = New-Object Microsoft.Exchange.WebServices.Data.SearchFilter+ContainsSubstring([Microsoft.Exchange.WebServices.Data.EmailMessageSchema]::Subject,$MsgSubject, [Microsoft.Exchange.WebServices.Data.ContainmentMode]::ExactPhrase, [Microsoft.Exchange.WebServices.Data.ComparisonMode]::IgnoreCase)
            $filters += $Filter1
        }
        if ( $StartDate -ne "" )
        {
            $Filter2 = New-Object Microsoft.Exchange.WebServices.Data.SearchFilter+IsGreaterThanOrEqualTo([Microsoft.Exchange.WebServices.Data.ItemSchema]::DateTimeReceived,[DateTime]$StartDate)
            $filters += $Filter2
        }
        if ( $EndDate -ne "" )
        {
            $Filter3 = New-Object Microsoft.Exchange.WebServices.Data.SearchFilter+IsLessThanOrEqualTo([Microsoft.Exchange.WebServices.Data.ItemSchema]::DateTimeReceived,[DateTime]$EndDate)
            $filters += $Filter3
        }
        $searchFilter = New-Object Microsoft.Exchange.WebServices.Data.SearchFilter+SearchFilterCollection([Microsoft.Exchange.WebServices.Data.LogicalOperator]::AND,$filters)

        if ( $filters.Length -eq 0 )
        {
            $searchFilter = $Null
        }

        $ivItemView =  New-Object Microsoft.Exchange.WebServices.Data.ItemView(250)
        $fiItems = $null
        $array = New-Object System.Collections.ArrayList
        do {
            $service.clientRequestId = (New-Guid).ToString()
            $fiItems = $service.FindItems($Folder.Id, $searchFilter, $ivItemView)
            foreach ( $Item in $fiItems.Items )
            {
                $i++
                $output = $Item | Select-Object @{Name="Action";Expression={"Applying Sensitivity" + $DeleteOpt}}, DateTimeReceived, Subject
                $array.Add($output)

                $tempItem = [Microsoft.Exchange.WebServices.Data.Item]::Bind($service,$Item.Id)
                $tempItem.Sensitivity = $DeleteOpt
                $tempItem.Update([Microsoft.Exchange.WebServices.Data.ConflictResolutionMode]::AlwaysOverwrite)
            }
            $ivItemView.Offset += $fiItems.Items.Count
            Start-Sleep -Milliseconds 500
        } while ( $fiItems.MoreAvailable -eq $true )
        $dgResults.datasource = $array
        $dgResults.AutoResizeColumns()
        $dgResults.Visible = $True
        $txtBoxResults.Visible = $False
        $PremiseForm.refresh()
        $statusBarLabel.text = "Ready. Items changed: $i"
        Write-PSFMessage -Level Host -Message "Task finished succesfully" -FunctionName "Method 14" -Target $email
    }
    else
    {
        [Microsoft.VisualBasic.Interaction]::MsgBox("FolderID textbox is empty. Check and try again",[Microsoft.VisualBasic.MsgBoxStyle]::Okonly,"Information Message")
        $statusBarLabel.text = "Process finished with warnings/errors"
    }
}