C++ BackColor_Dialog

2. 用位图 设置对话对话框的背景色

3. [使用Picture Ctrl来设置背景图片](使用Picture
Ctrl来设置背景图片)

HBRUSHCProject01Dlg::OnCtlColor(CDC*pDC,CWnd*pWnd,UINTnCtlColor){HBRUSHhbr=CDialog::OnCtlColor(pDC,pWnd,nCtlColor);// TODO: Change any attributes of the DC hereCBrushcbrush(RGB(255,0,0));CRectcrect;GetClientRect(crect);pDC->SelectObject(&cbrush);pDC->FillRect(crect,&cbrush);returncbrush;// TODO: Return a different brush if the default is not desiredreturnhbr;}

效果图


有个现象当单击1个按钮时 部分按钮会被隐藏

resources 导入1个bitmap位图// mfcDlg.h : header file// Implementationprotected:HICON m_hIcon;CBrushm_BKBrush;//画刷**::OnInitDialog()**// TODO: Add extra initialization hereCBitmap*pBitmap=newCBitmap;ASSERT(pBitmap);pBitmap->LoadBitmap(IDB_BITMAP1);//载入位图资源m_BKBrush.CreatePatternBrush(pBitmap);//创建位图画刷deletepBitmap;**::OnCtlColor(CDC*pDC,CWnd*pWnd,UINTnCtlColor)**// TODO: Change any attributes of the DC hereif (nCtlColor==CTLCOLOR_DLG)return (HBRUSH)m_BKBrush.GetSafeHandle();//返回创建的位图画刷// TODO: Return a different brush if the default is not desired

效果图