signal callback delegate or function to connect
void callback(gtk.tree_iter.TreeIter iter, gtk.tree_path.TreePath path, gtk.tree_view.TreeView treeView)
iter the tree iter of the expanded row (optional)
path a tree path that points to the row (optional)
treeView the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to RowExpanded signal.
The given row has been expanded (child nodes are shown).