\section{\class{wxMemoryDC}}\label{wxmemorydc}
-A memory device context provides a means to draw graphics onto a bitmap.
+A memory device context provides a means to draw graphics onto a bitmap. When
+drawing in to a mono-bitmap, using {\tt wxWHITE}, {\tt wxWHITE\_PEN} and
+{\tt wxWHITE\_BRUSH}
+will draw the background colour (i.e. 0) whereas all other colours will draw the
+foreground colour (i.e. 1).
\wxheading{Derived from}
\helpref{wxDC}{wxdc}\\
\helpref{wxObject}{wxobject}
+\wxheading{Include files}
+
+<wx/dcmemory.h>
+
\wxheading{Remarks}
A bitmap must be selected into the new memory DC before it may be used