Signal
Gtk.TreeView::test-expand-row
Declaration
gboolean
test_expand_row (
  GtkTreeView self,
  GtkTreeIter* iter,
  GtkTreePath* path,
  gpointer user_data
)
Description [src]
The given row is about to be expanded (show its children nodes). Use this signal if you need to control the expandability of individual rows.
| Default handler: | The default handler is called after the handlers added via  | 
Parameters
| iter | GtkTreeIter | 
| the tree iter of the row to expand | |
| Ownership is not transferred to the callee | |
| path | GtkTreePath | 
| a tree path that points to the row | |
| Ownership is not transferred to the callee |