Signal

GtkTreeView::test-collapse-row

Declaration 

gboolean
test_collapse_row (
  GtkTreeView* self,
  GtkTreeIter* iter,
  GtkTreePath* path,
  gpointer user_data
)

Description [src]

The given row is about to be collapsed (hide its children nodes). Use this signal if you need to control the collapsibility 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 collapse.

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 collapsing, TRUE to reject.