MFC对话框显示时背景闪烁

 1 HBRUSH CZGDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
 2 {
 3     HBRUSH hbr = __super::OnCtlColor(pDC, pWnd, nCtlColor);
 4     if (nCtlColor == CTLCOLOR_DLG)
 5     {
 6         COLORREF tcolor = RGB(39, 147, 255);
 7         hbr = CreateSolidBrush(tcolor);
 8     }
 9     return hbr;
10 }