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378

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1
+1  Q: 

Windows forms: ShowDialog - dialog doesn't show up

I am running an external process from an outlook plugin - and it doesn't show the dialog. I am using ShowDialog without parameters.

Any ideas how to show the dialog ?

The process doesn't have any form - i just want to show a dialog with some selections. If I call "MessageBox.Show" before, the dialog is shown - otherwise not.

I guess it is something like the answer of Peterchen in this thread: http://stackoverflow.com/questions/816885/form-showdialog-or-form-showdialogthis/817240#817240

BTW I don't have any owner, because this process doesn't have any "main window".

Any ideas ?

+1  A: 

I think you would need a parent window for modal windows to work. After all, the only difference from Show() is that the child window blocks the parent. You can always create a hidden dummy window and use it as a main window but why not just use .Show() since it works ?

ivymike  2009-10-23 10:24:29
it has to be asynchron and should block the application until the user selected something -> this is much easier this way.
bernhardrusch  2009-10-27 06:48:21
well - I've created a dummy window and used it as an owner - now it works
bernhardrusch  2009-10-27 13:44:36

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