System.Xml.XPath.XPathNavigator.MoveToFirst C# (CSharp) Method

        public virtual bool MoveToFirst()
        {
            switch (NodeType)
            {
                case XPathNodeType.Attribute:
                case XPathNodeType.Namespace:
                    // MoveToFirst should only succeed for content-typed nodes
                    return false;
            }

            if (!MoveToParent())
                return false;

            return MoveToFirstChild();
        }

		public void Navigation ()
		{
			document.LoadXml ("<foo><bar /><baz /></foo>");
			navigator = document.DocumentElement.CreateNavigator ();
			
			Assert.AreEqual ("foo", navigator.Name, "#1");
			Assert.IsTrue (navigator.MoveToFirstChild (), "#2");
			Assert.AreEqual ("bar", navigator.Name, "#3");
			Assert.IsTrue (navigator.MoveToNext (), "#4");
			Assert.AreEqual ("baz", navigator.Name, "#5");
			Assert.IsTrue (!navigator.MoveToNext (), "#6");
			Assert.AreEqual ("baz", navigator.Name, "#7");
			Assert.IsTrue (navigator.MoveToPrevious (), "#8");
			Assert.AreEqual ("bar", navigator.Name, "#9");
			Assert.IsTrue (!navigator.MoveToPrevious (), "#10");
			Assert.IsTrue (navigator.MoveToParent (), "#11");
			Assert.AreEqual ("foo", navigator.Name, "#12");
			navigator.MoveToRoot ();
			Assert.AreEqual (XPathNodeType.Root, navigator.NodeType, "#13");
			Assert.IsTrue (!navigator.MoveToParent (), "#14");
			Assert.AreEqual (XPathNodeType.Root, navigator.NodeType, "#15");
			Assert.IsTrue (navigator.MoveToFirstChild (), "#16");
			Assert.AreEqual ("foo", navigator.Name, "#17");
			Assert.IsTrue (navigator.MoveToFirst (), "#18");
			Assert.AreEqual ("foo", navigator.Name, "#19");
			Assert.IsTrue (navigator.MoveToFirstChild (), "#20");
			Assert.AreEqual ("bar", navigator.Name, "#21");
			Assert.IsTrue (navigator.MoveToNext (), "#22");
			Assert.AreEqual ("baz", navigator.Name, "#23");
			Assert.IsTrue (navigator.MoveToFirst (), "#24");
			Assert.AreEqual ("bar", navigator.Name, "#25");
		}