Signal

GtkTreeView::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 g_signal_connect().

Parameters

iter

Type: GtkTreeIter

The tree iter of the row to expand.

The data is owned by the caller of the function.
path

Type: GtkTreePath

A tree path that points to the row.

The data is owned by the caller of the function.

Return value

Type: gboolean

FALSE to allow expansion, TRUE to reject.