set_resizable
Description:
If resizable is true, then the user can explicitly resize the column by grabbing the outer edge
of the column button.
Note:
Use GtkColumnView instead
If resizable is true and sizing mode of the column is gtk_tree_view_column_autosize, then the sizing mode is changed to gtk_tree_view_column_grow_only.
Parameters:
| this |
A `GtkTreeViewColumn` |
| resizable |
true, if the column can be resized |