gtk/tree_view.go
func (v *TreeView) RowActivated(path *TreePath, column *TreeViewColumn) {
	C.gtk_tree_view_row_activated(v.native(), path.native(), column.native())
}
func (v *TreeView) RowActivated(path *TreePath, column *TreeViewColumn) {
	C.gtk_tree_view_row_activated(v.native(), path.native(), column.native())
}
// RowActivated is a wrapper around gtk_tree_view_row_activated().