Microsoft KB Archive/111592

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BUG: DeleteObject Generates Debug Errors in WEP

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Q111592

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The information in this article applies to:


 * Microsoft Windows Software Development Kit (SDK) 3.1

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SYMPTOMS
Freeing GDI objects in the Windows Exit Procedure (WEP) of a dynamic-link library (DLL) will generate errors from the debug version of Windows 3.1. The errors are incorrectly generated if the application has an implicit link to the DLL and the application is terminating.

CAUSE
The debug version of Windows reports errors that a task has exited but has not freed any GDI resources allocated by the task. Windows calls the WEP of an implicitly linked DLL when the DLL is unloaded from memory but after the application using the DLL has already exited. Debug Windows interprets this situation as an error and gives debug messages in DBWIN or the debug terminal.

RESOLUTION
Although debug Windows reports the GDI objects are not freed, The WEP is still called and the objects are still freed regardless of the messages displayed by debug Windows. There is no need to call DeleteObject. These messages can be ignored.

STATUS
Microsoft has confirmed this to be a bug in Windows version 3.1. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: buglist3.10 3.10

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Technology : kbAudDeveloper kbWin3xSearch kbSDKSearch kbWinSDKSearch kbWinSDK310