tryfinally-2.ps1

function Invoke-InDirectory {
    Param(
        [ValidateScript( { Test-Path $_ -PathType Container } )]
        [string] $Path,
        [ValidateNotNullOrEmpty()]
        [scriptblock] $ScriptBlock
    )
    
    try {
        Push-Location $Path
        & $ScriptBlock
    }
    finally {
        Pop-Location
    }
}