MFC 添加背景图片并让控件背景透明

【#第一文档网# 导语】以下是®第一文档网的小编为您整理的《MFC 添加背景图片并让控件背景透明》，欢迎阅读！

/*添加背景图片*/

BOOL CTOOLDlg::OnEraseBkgnd(CDC* pDC)

{

// TODO: 在此添加消息处理程序代码和/或调用默认值

CDialog::OnEraseBkgnd(pDC);

HBITMAP m_hBitmap;

HDC m_hBkDC;

m_hBitmap = ::LoadBitmap(::GetModuleHandle(NULL),MAKEINTRESOURCE(IDB_BITMAP2));

m_hBkDC = ::CreateCompatibleDC(pDC-> m_hDC);

if(m_hBitmap && m_hBkDC)

{

::SelectObject(m_hBkDC,m_hBitmap);

::StretchBlt(pDC-> m_hDC,0,0,700,610,m_hBkDC,0,0,700,610,SRCCOPY);

::DeleteObject(m_hBitmap);

::DeleteDC(m_hBkDC);

}

return TRUE;

}

/*设置控件背景透明*/

HBRUSH CTOOLDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)

{

HBRUSH hbr = CDialogEx::OnCtlColor(pDC, pWnd, nCtlColor);

if(nCtlColor == CTLCOLOR_STATIC )

{

pDC->SetBkMode(TRANSPARENT);//设置背景透明

pDC->SetTextColor(RGB(255,255,0));//设置字体为黄色

return (HBRUSH)::GetStockObject(NULL_BRUSH);

}

// TODO: 如果默认的不是所需画笔，则返回另一个画笔

return hbr;

}

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