protected override void OnItemsPanelChanged(ItemsPanelTemplate oldItemsPanel, ItemsPanelTemplate newItemsPanel)
{
// This is not the actual WrappableStackPanel that will be used as the ItemsPanel.
// This is another instance, and I use the field only for existence, not reference.
isWrappableStackPanel = (newItemsPanel.LoadContent() as WrappableStackPanel) != null;
base.OnItemsPanelChanged(oldItemsPanel, newItemsPanel);
}
private static Panel LoadPanelTemplate(ItemsPanelTemplate panelTemplate)
{
var panel = (Panel)panelTemplate.LoadContent();
panel.IsItemsHost = false; //set by ItemPanelTemplate, we need to reset it
return panel;
}