public static void SetChildren(this IContainerRenderElement container, IEnumerable <object> children)
{
if (container.Children.SequenceEqual(children))
{
return;
}
foreach (object child in container.Children.ToArray())
{
container.RemoveChild(child);
}
int index = 0;
foreach (object child in children)
{
container.InsertChild(index, child);
index++;
}
}
public void Remove(UIElement parent, T ui)
{
parent._needContentLayout = true;
parent._hasMinSize = false;
IContainerRenderElement parentContainer = parent.CurrentPrimaryRenderElement as IContainerRenderElement;
if (parentContainer != null)
{
parentContainer.RemoveChild(ui.GetPrimaryRenderElement());
}
_list.Remove(ui);//***
ui.ParentUI = null;
//---
//presentation
if (parentContainer != null)
{
CollectionHelper.UpdateLayout(parent, ui);
}
}
