public ProcessProgressForm()
{
_failed = false;
InitializeComponent();
_processCaller = new ProcessCaller(this);
_processCaller.StdErrReceived += _processCaller_StdErrReceived;
_processCaller.StdOutReceived += _processCaller_StdOutReceived;
_processCaller.Completed += ProcessCallerCompletedOrCancelled;
_processCaller.Cancelled += ProcessCallerCompletedOrCancelled;
_processCaller.Failed += _processCaller_Failed;
Text = "Output";
}