1.给程序设置大背景色,在OnPaint()函数中添加如下代码: CRect rect; CPaintDC dc(this); GetClientRect(rect); dc.FillSolidRect(rect, RGB(, , )); dc.FillPath(); 2.给个控件修改背景颜色,先在类向导中添加WM_CTLCOLOR消息,然后就会自动添加OnCtColor()函数: HBRUSH CMFCApplication1Dlg::OnCtlColor(CDC* pDC, CWnd* pW