Use ValidateSet with the contents loaded from a CSV file

Question

I really like the way that ValidateSet works. It proposes the options as a list while you type your Cmdlet in the PowerShell ISE.

I would like to know if i

Answer 1

I prefer TabExpansion++ module though this doesn't technically validate, it has some nice functionality...

Here's an example of an msbuild overloaded command to add some intellisense for projects

Register-ArgumentCompleter -CommandName "msbuild" -ParameterName "target" -ScriptBlock {
    param($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameter)

    $projectName = $fakeBoundParameter['project']
    $projectFile = Join-Path (Get-Location) $projectName
    $projectXml = [xml](Get-Content $projectFile)

    $targets = $projectXml.Project.Target | Where-Object { $_.Name.ToString().StartsWith($wordToComplete) }
    foreach($target in $projectXml.Project.Target)
    {
        New-CompletionResult -CompletionText "$($target.Name)"
    }
}