Sets iter to the currently selected node if selection is set to gtk.types.SelectionMode.Single or gtk.types.SelectionMode.Browse. iter may be NULL if you just want to test if selection has any selected nodes. model is filled with the current model as a convenience. This function will not work if you use selection is gtk.types.SelectionMode.Multiple.
A pointer to set to the gtk.tree_model.TreeModel
The gtk.tree_iter.TreeIter
TRUE, if there is a selected node.
Deprecated: Use GtkListView or GtkColumnView
Sets iter to the currently selected node if selection is set to gtk.types.SelectionMode.Single or gtk.types.SelectionMode.Browse. iter may be NULL if you just want to test if selection has any selected nodes. model is filled with the current model as a convenience. This function will not work if you use selection is gtk.types.SelectionMode.Multiple.