Get list of Common Parameters in PowerShell

Get-CommonParameters.ps1

# if you want to get a list to use in a script
# by wrapping in a script block you don't pollute the current namespace
$CommonParameters = {
    function Get-CommonParameters {
        [CmdletBinding( SupportsShouldProcess=$true )]
        param()
        return $MyInvocation.MyCommand.Parameters.Keys
    }
    Get-CommonParameters
}.Invoke()

# you might use this if you want to strip all common parameters off
# $PSBoundParameters
function Get-TestParameters {
    [CmdletBinding( SupportsShouldProcess=$true )]
    param(
        $TestBoundParameter
    )
    $Script:CommonParameters | ForEach-Object {
        $PSBoundParameters.Remove($_) > $null
    }
    return $PSBoundParameters
}

# this should output @{ TestBoundParameter = 'TestValue' }
Get-TestParameters -Verbose -Confirm -ErrorAction SilentlyContinue -TestBoundParameter 'TestValue'