gtk/tree_view.go
func (v *TreeView) SetSearchColumn(c int) {
	C.gtk_tree_view_set_search_column(v.native(), C.gint(c))
}
func (v *TreeView) SetSearchColumn(c int) {
	C.gtk_tree_view_set_search_column(v.native(), C.gint(c))
}
// SetSearchColumn is a wrapper around gtk_tree_view_set_search_column().