WebBOOL PostMessage( HWND hWnd,UINT Msg,WPARAM wParam,LPARAM lParam) 参数: HWND hWnd, 接收消息的窗口句柄,若指定为NULL,则是给当前线程发送消息;若指定为HWND_BROADCAST,则给所有顶层窗口发送消息,不发送给子窗口。 UINT Msg, 消息. PostThreadMessage ()原型: Web25 apr. 2011 · SendMessage(HWND_BROADCAST, msg, IntPtr.Zero, IntPtr.Zero); SendNotifyMessage(HWND_BROADCAST, msg, 4848484, 8484865); } below is my …
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Web7 jan. 2024 · To send the WM_SETTINGCHANGE message to all top-level windows, use the SendMessageTimeout function with the hwnd parameter set to … Web17 mei 2015 · 利用HWND_BROADCAST可以向其它进程,或DLL文件的窗口等发送消息. Handle to the window whose window procedure will receive the message. If this … lyric song match
Broadcast Windows HWND_BROADCAST message - VoidCC
WebHWND_BROADCAST 只向顶层窗口发送消息。. 您确定您的窗口是顶级窗口吗?. 您没有检查应用程序 2 中对 RegisterWindowMessage () 的调用是否成功。. 首先检查一下怎么 … Web8 feb. 2024 · Using the (synchronous) SendMessage with HWND_BROADCAST as the target can cause many undesirable effects, as discussed here on Stack Overflow. But … Web27 nov. 2024 · At this point, Windows will not be aware of your changes unless you log off or reboot. To get around this, SetEnv will broadcast a WM_SETTINGCHANGE to all of the windows in the system. This allows other running applications—for example, Explorer.exe—to be notified of your change. lyrics one thing right