private void CollectCommandItems(MergeableNodeCollection <ICommandItem> nodes)
{
if (nodes == null || nodes.Count == 0)
{
return;
}
// Recursively get all nodes (excluding separators).
foreach (var node in nodes)
{
if (node.Content is CommandSeparator)
{
// Ignore
}
else if (node.Content is CommandGroup)
{
// Ignore
}
else
{
Debug.Assert(!CommandItems.Contains(node.Content), "Warning: Duplicate command items in toolbar.");
CommandItems.Add(node.Content);
}
CollectCommandItems(node.Children);
}
}