CODViewport::EraseBkgnd
Erases the background of the viewport.
Defined in: OdViewport.cpp
Syntax
void CODViewport::EraseBkgnd(CDC* pDC, const CRect &rcUpdate)
void CODViewport::EraseBkgnd(CDC* pDC)
Return Value
void
Parameters
pDC
The device context to draw in.
rcUpdate
Rectangular area to update.
Comments
First, the viewport is filled with the out-of-bounds color. Then
the virtual drawing area is filled with the background color. Finally,
the background component is drawn. If the update rectangle is not
specified, then the entire viewport is erased.