SCRIPT: POWERSHELL: Message box

$oReturn=[System.Windows.Forms.MessageBox]::Show("Message Text","By Yasin",[System.Windows.Forms.MessageBoxButtons]::OKCancel)

switch ($oReturn){

    "OK" {

        write-host "Vous avez valider"

        # Enter some code

    }

    "Cancel" {

        write-host "Vous avez annuler"

        # Enter some code

    }
}