激活后台窗口

SetWindowPos(&wndTopMost, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE); SetWindowPos(&wndNoTopMost, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE); HWND hCurWnd = NULL; DWORD lMyID; DWORD lCurID; hCurWnd = ::GetForegroundWindow(); lMyID = ::GetCurrentThreadId(); lCurID = ::GetWindowThreadProcessId(hCurWnd, NULL); ::AttachThreadInput(lMyID, lCurID, TRUE); SetForegroundWindow(); ::AttachThreadInput(lMyID, lCurID, FALSE);