+\membersection{wxMemoryOutputStream::CopyTo}
+
+\constfunc{size\_t}{CopyTo}{\param{char *}{buffer}, \param{size\_t }{len}}
+
+CopyTo allowed you to transfer data from the internal buffer of
+wxMemoryOutputStream to an external buffer. {\it len} specifies the size of
+the buffer.
+
+\wxheading{Returned value}
+
+CopyTo returns the number of bytes copied to the buffer. Generally it is either
+len or the size of the stream buffer.
+