Gets the label of @group.
Return: the label of @group. The label is an internal string of @group and must not be modified. Note that %NULL is returned if a custom label has been set with gtk_tool_item_group_set_label_widget()
2.20
See Implementation
Gets the label of @group.
Return: the label of @group. The label is an internal string of @group and must not be modified. Note that %NULL is returned if a custom label has been set with gtk_tool_item_group_set_label_widget()