比如向一個MFC窗口的ActiveX控件發送消息,假設窗口的標題是"abcd",ActiveX控件的標題是"fff"
則代碼如下:
HWND hWnd = ::FindWindow(NULL,"abcd");
if(hWnd)
{
hWnd = ::FindWindowEx(hWnd,NULL,NULL,L"fff");
if(hWnd)
::SendMessage(hWnd,WM_TEST,0,0);
}
return hWnd;
主要是利用FindWindowEx這個API