public static void AppendMenuItemSorted(this GLib.Menu menu, GLib.MenuItem item)
{
var new_label = (string)item.GetAttributeValue("label", GLib.VariantType.String);
for (int i = 0; i < menu.NItems; i++)
{
var label = (string)menu.GetItemAttributeValue(i, "label", GLib.VariantType.String);
if (string.Compare(label, new_label) > 0)
{
menu.InsertItem(i, item);
return;
}
}
menu.AppendItem(item);
}