MFC中如何使static控件背景透明.docx

MFC中如何使static控件背景透明 A.先在头文件*Dlg.h中“/AFX_MSG”之前中添加 afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor); B.在源文件*Dlg.cpp中的消息映射入口缴入 BEGIN_MESSAGE_MAP(*Dlg, CDialog) ON_WM_CTLCOLOR /AFX_MSG_MAP END_MESSAGE_MAP 然后添加函数： HBRUSH *Dlg:OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) HBRUSH hBrush = CDialog:OnCtlColor(pDC, pWnd, nCtlColor); if(nCtlColor = CTLCOLOR_STATIC) pDC->SetBkMode(TRANSPARENT); return (HBRUSH):GetStockObject(NULL_BRUSH); returnhBrush; / 或者在HBRUSH CtransparentDlg:OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)中加 switch(pWnd->GetDlgCtrlID) default: pDC->SetBkMode(TRANSPARENT); return (HBRUSH)GetStockObject(NULL_BRUSH); break; 经过处理，如静态文本等控件已经可以实现透明 / switch(pWnd-nID) case ID_YOU_STATIC_ID1: case ID_YOU_STATIC_ID2: case ID_YOU_STATIC_ID3 . pDc->SetBkMode(TRANSPARENT); pDc->SetBkColor(RGB(red,green,blue);