public void RemoveChildren(IEnumerable <ITreeItem> children)
{
List <ITreeItem> removed = new List <ITreeItem>();
foreach (ITreeItem child in children)
{
if (Remove(child, false))
{
removed.Add(child);
}
}
if (removed.Count > 0)
{
TreeItemChildrenRemoveEventArgs args =
new TreeItemChildrenRemoveEventArgs(removed);
ChildrenRemoved?.Invoke(this, args);
}
}
private bool Remove(ITreeItem child, bool sendEvent)
{
if (children.Contains(child))
{
child.Parent = null;
children.Remove(child);
if (sendEvent)
{
TreeItemChildrenRemoveEventArgs args =
new TreeItemChildrenRemoveEventArgs(new List <ITreeItem>()
{
child
});
ChildrenRemoved?.Invoke(this, args);
}
return(true);
}
return(false);
}
