Call this member function to copy the typeface name of the current font into a buffer.
Specifies the size of the buffer (in bytes). If the typeface name is longer than the number of bytes specified by this parameter, the name is truncated.
Points to the buffer for the typeface name.
A reference to a CString object.
The number of bytes copied to the buffer, not including the terminating null character. It is 0 if an error occurs.
The typeface name is copied as a null-terminated string.