Sets the gtk.MenuItem used in the toolbar overflow menu. The menu_item_id is used to identify the caller of this function and should also be used with ToolItem.getProxyMenuItem.
See also create-menu-proxy.
a string used to identify menu_item
a gtk.MenuItem to use in the overflow menu, or NULL
2.4
Sets the gtk.MenuItem used in the toolbar overflow menu. The menu_item_id is used to identify the caller of this function and should also be used with ToolItem.getProxyMenuItem.
See also create-menu-proxy.