The default is wxCOPY, which simply draws with the current colour.
The others combine the current colour and the background using a
-logical operation. wxXOR is commonly used for drawing rubber bands or
+logical operation. wxINVERT is commonly used for drawing rubber bands or
moving outlines, since drawing twice reverts to the original colour.
\membersection{wxDC::SetMapMode}\label{wxdcsetmapmode}