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发信人: Peter (小飞侠), 信区: Program
标 题: VC FAQ(9)
发信站: BBS 荔园晨风站 (Tue Jan 26 22:52:05 1999), 转信
--------------------------------------------------
How change the background color of a view?
--------------------------------------------------
To change the background color for a CView, CFrameWnd, or CWnd object,
process
the WM_ERASEBKGND message. The following code shows how:
BOOL CSampleView::OnEraseBkgnd(CDC* pDC)
{
// Set brush to desired background color
CBrush backBrush(RGB(255, 128, 128));
// Save old brush
CBrush* pOldBrush = pDC->SelectObject(&backBrush);
CRect rect;
pDC->GetClipBox(&rect); // Erase the area needed
pDC->PatBlt(rect.left, rect.top, rect.Width(),
rect.Height(), PATCOPY);
pDC->SelectObject(pOldBrush);
return TRUE;
}
I solved the problem like this->
HBRUSH dlgtest::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
switch (nCtlColor)
{
case CTLCOLOR_BTN:
case CTLCOLOR_STATIC:
{
pDC->SetBkMode(TRANSPARENT);
}
case CTLCOLOR_DLG:
{
CBrush* back_brush;
COLORREF color;
color = (COLORREF) GetSysColor(COLOR_BTNFACE);
back_brush = new CBrush(color);
return (HBRUSH) (back_brush->m_hObject);
}
}
return(CFormView::OnCtlColor(pDC, pWnd, nCtlColor));
}
Tim, tfiner@vrli.com, email, 9/10/95
--
※ 来源:．BBS 荔园晨风站 bbs.szu.edu.cn．[FROM: 192.168.1.3]
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