public void AddChildElementWithNullOwner()
 {
     AddChildElementCommand command = new AddChildElementCommand();
     command.Run();
 }
        public void AddChildElement()
        {
            treeView.SelectedNode = bodyTreeNode;
            treeViewContainer.AddElementDialogElementNamesReturned.Add("p");
            AddChildElementCommand command = new AddChildElementCommand();
            command.Owner = treeViewContainer;
            command.Run();

            XmlElement paragraphElement = (XmlElement)bodyElement.SelectSingleNode("p");
            Assert.IsNotNull(paragraphElement, "Expected a new <p> element to be appended.");
        }