CGdiObject
The CGdiObject class provides a base class for various kinds of Windows graphics device interface (GDI) objects such as bitmaps, regions, brushes, pens, palettes, and fonts. You never create a CGdiObject directly. Rather, you create an object from one of its derived classes, such as CPen or CBrush.
For more information on CGdiObject, see in Visual C++ Programmer's Guide.
#include <afxwin.h>
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