A Black View

[Bilal Naveed]

How can I set the background color of a CView derived class(to black for example), without doing something silly like drawing a view-spanning rectangle in OnDraw() :) cheers Bilal

[Tomasz Sowinski]

Handle the WM_ERASEBKGND message. Inside the handler, use PatBlt to fill the window with desired color.

BOOL CYourView::OnEraseBkgnd(CDC* pDC)
{
// Set brush to desired background color
CBrush backBrush(RGB(0, 0, 0));

// Save old brush
CBrush* pOldBrush = pDC->SelectObject(&backBrush);

CRect rc;
pDC->GetClipBox(&rc); // Erase the area needed
pDC->PatBlt(rc.left, rc.top, rc.Width(), rc.Height(), PATCOPY);
pDC->SelectObject(pOldBrush);
return TRUE;
}

Tomasz Sowinski -- http://www.shooltz.com.pl