&caster<int, VideoFrameType>,
&caster<VideoFrameType, int>
);
_frame_type->add (grid, wxGBPosition (r, 1), wxGBSpan (1, 2));
++r;
&caster<int, VideoFrameType>,
&caster<VideoFrameType, int>
);
_frame_type->add (grid, wxGBPosition (r, 1), wxGBSpan (1, 2));
++r;