如何根据进程id获取该进程的主窗口句柄
来源:https://blog.csdn.net/zero_226/article/details/50887014
最近刚好有个功能,需要这个逻辑,话不多说,上代码。
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struct handle_data {
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unsigned long process_id;
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HWND best_handle;
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};
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BOOL IsMainWindow(HWND handle)
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{
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return GetWindow(handle, GW_OWNER) == (HWND)0 && IsWindowVisible(handle);
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}
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HWND FindMainWindow(unsigned long process_id)
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{
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handle_data data;
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data.process_id = process_id;
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data.best_handle = 0;
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EnumWindows(EnumWindowsCallback, (LPARAM)&data);
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return data.best_handle;
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}
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BOOL CALLBACK EnumWindowsCallback(HWND handle, LPARAM lParam)
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{
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handle_data& data = *(handle_data*)lParam;
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unsigned long process_id = 0;
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GetWindowThreadProcessId(handle, &process_id);
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if (data.process_id != process_id || !IsMainWindow(handle)) {
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return TRUE;
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}
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data.best_handle = handle;
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return FALSE;
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}
然后main函数,这样调用即可,
HWND hwnd = FindMainWindow(uProcessID);
这个uProcessID就是任务管理器里PID一列的内容,你也可以写个函数用进程名来获取。