/*
* Runs a script on the given PowerShell instance and prints the messages written to info,
* error and warning streams asynchronously.
*/
public static void RunScriptAndPrintOutput(this PowerShell psInstance, string script)
{
// Streams can be used by the caller to check for errors in the current script execution
psInstance.Streams.ClearStreams();
// By default PowerShell spawns one thread for each command, we must avoid it
if (psInstance.Runspace.ThreadOptions != PSThreadOptions.UseCurrentThread)
{
psInstance.CreateNewSingleThreadedRunspace();
}
psInstance.AddOutputStreamsEventHandlers();
psInstance.AddScript(script);
psInstance.Invoke();
psInstance.RemoveOutputStreamsEventHandlers();
// Clear PowerShell pipeline to avoid the script being re-executed the next time we use this instance
psInstance.Commands.Clear();
}