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Created attachment 15246 [details]
Description of Problem:
When adding a custom menu to Xamarin Studio, which opens up a Dialog, repeatedly opening/closing the dialog will eventually cause Xamarin Studio to crash.
Steps to reproduce the problem:
1. Download the attached "CustomMenuWithDialog.zip" add-in
2. Extract and open with Xamarin Studio (requires Xamarin Studio Add-in Maker)
3. Debug the project
4. In the debug Xamarin Studio instance select the "Test Menu > Custom Dialog" option
5. Dismiss the dialog by clicking the "Cancel" button
6. Repeat until Xamarin Studio crashes (may take several dozen iterations)
Xamarin Studio crashes unexpectedly
Xamarin Studio remains open despite repeatedly opening/closing a custom Dialog
How often does this happen?
Issue is reproducible after dozens of opens/closes every time, though the number of times you have to open/close varies.
Sometimes, when you click the "Cancel" button, all of the controls in the dialog disappear, but the dialog doesn't actually close.
Created attachment 15247 [details]
Created attachment 15248 [details]
System.Windows.Forms is not supported on Mono.