Public/Copy-OrderedHashtable.ps1
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# ------------------------------------------------------------------------------ # Function to clone an existing hashtable # ------------------------------------------------------------------------------ function Copy-OrderedHashtable { <# .SYNOPSIS Clone an ordered hashtable .DESCRIPTION Clone an ordered hashtable .PARAMETER Hashtable The Hashtable parameter should be the hashtable to clone .OUTPUTS [System.Collections.Specialized.OrderedDictionary] Copy-OrderedHashtable re- turns an exact copy of the ordered hash table specified. .EXAMPLE Copy-OrderedHashtable -Hashtable $Hashtable #> [CmdletBinding ()] Param ( [Parameter ( Position = 1, Mandatory = $true, HelpMessage = "Hashtable to clone" )] [ValidateNotNullOrEmpty ()] [System.Collections.Specialized.OrderedDictionary] $Hashtable, [Parameter ( Position = 2, Mandatory = $false, HelpMessage = "Define if the copy should be shallow or deep" )] [Alias ("DeepCopy")] [Switch] $Deep = $false ) $Clone = New-Object -TypeName System.Collections.Specialized.OrderedDictionary # If deep copy if ($Deep) { $MemoryStream = New-Object -TypeName System.IO.MemoryStream $BinaryFormatter = New-Object -TypeName System.Runtime.Serialization.Formatters.Binary.BinaryFormatter $BinaryFormatter.Serialize($MemoryStream, $Hashtable) $MemoryStream.Position = 0 $Clone = $BinaryFormatter.Deserialize($MemoryStream) $MemoryStream.Close() } else { # Shallow copy foreach ($Item in $Hashtable.GetEnumerator()) { $Clone.$Item.Key = $Item.Value } } return $Clone } |