gtk/tree_view_column.go
func (v *TreeViewColumn) SetReorderable(reorderable bool) {
	C.gtk_tree_view_column_set_reorderable(v.native(), gbool(reorderable))
}
func (v *TreeViewColumn) SetReorderable(reorderable bool) {
	C.gtk_tree_view_column_set_reorderable(v.native(), gbool(reorderable))
}
// SetReorderable() is a wrapper around gtk_tree_view_column_set_reorderable().