This sounds like a bug.
What you're doing is supposed to work, according to this:
http://mono-project.com/FAQ:_Winforms#My_multithreaded_application_crashes_or_locks_up
Feel free to file a bug report with a test case.
Steve Ricketts wrote:
>
> I want to make certain controls visible on a form after certain events
> have happened. I use BackgroundWorker to avoid the treading issues but
> the controls never appear on the form. I set a breakpoint on
> setLogonValues and it does break and each of lines in that function are
> executed, but they never show on the form. This works in Windows but not
> in Linux.
>
> .....
> BackgroundWorker bw = new BackgroundWorker ();
>
> bw.RunWorkerCompleted += setLogonValues;
>
> bw.RunWorkerAsync ();
>
> }
>
>
>
> private void setLogonValues (object sender,
> RunWorkerCompletedEventArgs
> e)
>
> {
>
> labLogOn.Visible = true;
>
> txtStudentID.Visible = true;
>
> btnLogOn.Visible = true;
>
> labStatus.Text = "";
>
> txtStudentID.Text = "";
>
> txtStudentID.Focus ();
>
> }
>
>
> I've also tried:
>
> txtStudentID.Invoke ((MethodInvoker)delegate {
> txtStudentID.Visible =
> true; });
>
>
> But that doesn't work either. What am I doing wrong?
>
> sr
>
--
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