问题描述
存在任何Windows api函数以检索Windows处理程序的 WNDPROC ？
Exist any Windows api function to retrieve the WNDPROC for a Windows Handle?
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Thanks in advance.
推荐答案
使用。感谢@In silico的提示。
Remember that if you are going to call the obtained window proc, you should do it using CallWindowProc. Thanks to @In silico for the hint.
请注意，返回的值并不总是真正的指针窗口过程。有时它只是一种句柄，它被 CallWindowProc 识别并正确处理。例如，如果您的应用程序是ANSI，但是该窗口属于Unicode组件（反之亦然），则不会获得真正的函数指针。请参阅了解详情。
Please note that the value which is returned is not always the real pointer to the window procedure. Sometimes it's just a kind of handle which is recognized and correctly processed by CallWindowProc. For example, you'll not get the real function pointer if your application is ANSI, but the window belongs to a Unicode component (or vice versa). See this posting in The Old New Thing for more details.
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