| Problem: | GetOpenFileName() hangs. |
| Symptoms: | Open file common dialog doesn't appear, program freezes. |
| Solution: |
Be sure to null-terminate the string you pass in the lpstrFile member of the OPENFILENAME structure before calling GetOpenFileName().
ZeroMemory() works for me.
See this thread on comp.os.ms-windows.programmer.win32.
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| Problem: | Window won't open. |
| Symptoms: | Program works fine, then after some changes your window won't display. |
| Solution: | If you're using a global HWND variable to point at your window, be sure that you don't use this handle within your WM_CREATE message-handling clause *without* first setting it to the HWND parameter passed to your window procedure. |
