MFC对话框屏幕居中

// 对话框屏幕居中ShowWindow(SW_NORMAL);CRect rtDesk;CRect rtDlg;::GetWindowRect(::GetDesktopWindow(), &rtDesk);GetWindowRect(&rtDlg);int iXpos = rtDesk.Width() / 2 - rtDlg.Width() / 2;int iYpos = rtDesk.Height() / 2 - rtDlg.Height() / 2;SetWindowPos(NULL, iXpos, iYpos, 0, 0, SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);