添加了这两个消息响应函数后，只能响应OnNcHitTest，为啥呢

void CMyAppDlg::OnLButtonDown(UINT nFlags, CPoint point)
{
/*SendMessage(WM_SYSCOMMAND, SC_MOVE|0x0002);
return;*/

AfxMessageBox(_T("AAA"));

CDialog::OnLButtonDown(nFlags, point);
}

LRESULT CMyAppDlg::OnNcHitTest(CPoint point)
{
UINT nHit = CDialog::OnNcHitTest(point);
return (nHit == HTCLIENT ? HTCAPTION : nHit);
}

[解决办法]

引用:

大哥我发现问题了，已经解决，我另外再给你加个100，请你关注此贴

呵呵，恭喜~