public IDataTreeNode ReplaceChildNode(IDataTreeNode child, object name, IDataTreeNode oldChild)
{
if (name == null)
{
throw new InvalidOperationException("DataTreeNode is not a container and cannot contain children.");
}
Debug.Assert(name is string);
return((IDataTreeNode)Set(new DataTreeNodeSet((string)name, _ => child)));
}
/// <summary>Finds the TV item.</summary>
/// <param name="source">The source.</param>
/// <param name="dtn">The DTN.</param>
/// <returns></returns>
public static TreeViewItem FindTVItem(this TreeView source, IDataTreeNode dtn)
{
if (source.HasItems && dtn != null)
{
TreeViewItem tvi = null;
ItemContainerGenerator icg = source.ItemContainerGenerator;
foreach (var d in dtn.EnumerateFromTop())
{
tvi = icg.ContainerFromItem(d) as TreeViewItem;
if (tvi == null)
{
return(null);
}
icg = tvi.ItemContainerGenerator;
}
return(tvi);
}
else
{
return(null);
}
}
public IDataTreeNode RemoveChildNode(IDataTreeNode child)
{
return(RemoveChild((SimisTreeNode)child));
}
public IDataTreeNode ReplaceChildNode(IDataTreeNode child, object name, IDataTreeNode oldChild)
{
return(ReplaceChild((SimisTreeNode)child, (SimisTreeNode)oldChild));
}
public IDataTreeNode InsertChildNode(IDataTreeNode child, IDataTreeNode before)
{
return(InsertChild((SimisTreeNode)child, (SimisTreeNode)before));
}
public IDataTreeNode AppendChildNode(IDataTreeNode child)
{
return(AppendChild((SimisTreeNode)child));
}
public DataTreePathStep(object name, IDataTreeNode node)
{
Name = name;
Node = node;
}
public IDataTreeNode RemoveChildNode(IDataTreeNode child)
{
throw new NotImplementedException();
}
public IDataTreeNode InsertChildNode(IDataTreeNode child, IDataTreeNode before)
{
throw new NotImplementedException();
}
