// set/get the number of columns in the control (as they're not supported on
// most platforms, they do nothing by default)
virtual void SetColumns(int WXUNUSED(n) = 1 ) { }
// set/get the number of columns in the control (as they're not supported on
// most platforms, they do nothing by default)
virtual void SetColumns(int WXUNUSED(n) = 1 ) { }