MFC WindowProc

LRESULT CCtreeView::WindowProc(UINT message, WPARAM wParam, LPARAM lParam){ // TODO: 在此添加专用代码和/或调用基类 if(message==WM_COMMAND) {  if(LOWORD(wParam) == IDC_BUTTON1 )  {     if( HIWORD(wParam)==BN_CLICKED )   {       //AfxMessageBox(_T("DD"));   }  } } return CView::WindowProc(message, wParam, lParam);}

LOWORD(wParam)为控件的ID号，

HIWORD(wParam)  为控件的通知消息。