Show-CustomAction.ps1
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function Show-CustomAction { param( [Parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true)] [String] $ActionName, # If a property name is provided, then the custom action will show the contents # of the property [Parameter(Mandatory=$true, ParameterSetName='Property', Position=0, ValueFromPipelineByPropertyName=$true)] [String] $Property, # If a script block is provided, then the custom action shown in formatting # will be the result of the script block. [Parameter(Mandatory=$true, ParameterSetName='ScriptBlock', Position=0, ValueFromPipelineByPropertyName=$true)] [ScriptBlock] $ScriptBlock, # If this is set, collections will not be enumerated, and the custom action # will be shown once no matter how many items were returned from the # scriptblock or property. If this is not set, then the custom action will # be shown as once for each item in the results of running the script block or # the contents of the property. [Parameter(ValueFromPipelineByPropertyName=$true)] [Switch] $DoNotEnumerate ) process { $EnumerationChunk = "<EnumerateCollection/>" $ControlChunk = "<CustomControlName>$ActionName</CustomControlName>" if ($DoNotEnumerator) { $EnumerationChunk = "" } if ($psCmdlet.PArameterSetName -eq "Property") { @" <ExpressionBinding> <PropertyName>$Property</PropertyName> $EnumerationChunk $ControlChunk </ExpressionBinding> "@ } elseif ($psCmdlet.ParameterSetName -eq "ScriptBlock") { @" <ExpressionBinding> <ScriptBlock>$([Security.SecurityElement]::Escape($ScriptBlock))</ScriptBlock> $EnumerationChunk $ControlChunk </ExpressionBinding> "@ } } } |