private static void AppendDemoItems(ObservableCollection <object> root)
{
foreach (var i in DemoItem.CreateItems(2, null, root.Count))
{
root.Add(i);
}
}
private static void AppendFirstContent(ObservableCollection <object> root)
{
var firstItem = root[0] as DemoItem;
if (firstItem == null)
{
root[0] = firstItem = new DemoItem {
Label = "1"
}
}
;
foreach (var childItem in DemoItem.CreateItems(1, firstItem, seed: 3, labelIndex: firstItem.Children.Count))
{
firstItem.Children.Add(childItem);
}
}
private void ResetContent(object sender, RoutedEventArgs e)
{
++_contentGeneration;
DemoItem.Root = DemoItem.CreateItems(2, null, _contentGeneration);
DemoItem.Root2 = DemoItem.CreateItems(2, null, _contentGeneration);
}