Sets the minimum number of columns to use.
This number must be at least 1.
If min_columns is smaller than the minimum set via gtk.grid_view.GridView.setMaxColumns, that value is ignored.
The minimum number of columns
Sets the minimum number of columns to use.
This number must be at least 1.
If min_columns is smaller than the minimum set via gtk.grid_view.GridView.setMaxColumns, that value is ignored.