test_collapse_row

Description:

public virtual signal bool test_collapse_row (TreeIter iter, TreePath path)

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.

Parameters:

iter

the tree iter of the row to collapse
path

a tree path that points to the row

Returns:

false to allow collapsing, true to reject