@event{EVT_SPLITTER_SASH_POS_CHANGED(id, func)}
The sash position was changed. May be used to modify the sash position
before it is set, or to prevent the change from taking place.
@event{EVT_SPLITTER_SASH_POS_CHANGED(id, func)}
The sash position was changed. May be used to modify the sash position
before it is set, or to prevent the change from taking place.