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Editorial Team
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Asked: 2026-05-13T14:52:15+00:00

In our program, you can select a document type from a list. You then

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In our program, you can select a document type from a list. You then click OK, or double-click the selected item, and a new document is created and shown.

Now the problem is that SOMETIMES, in release mode only, when you double-click an item, the app hangs. You can still move windows, and all is repainted fine, but there’s just no response whatsoever …
When in debug mode, there’s no problem at all … Also, most of the time everything works fine ???
There is no error information shown … all we can do is terminate the process …

How can we find out what’s causing the hang?

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1 Answer

  1. Editorial Team

    In Visual Studio, use Tools + Attach to Process and select your program. If necessary, use Debug + Windows + Threads to select a thread. Debug + Break All, look at the call stack to see where it is deadlocked.

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