C#

<br />
public class authenticator<br />
{<br />
[DllImport("User32.dll,SetLastError=true)]<br />
public static extern bool LockWorkStation();<br />
}<br />

private Mesh mesh = null;<br />
		public void InitializeGraphics()<br />
		{<br />
...<br />
			mesh = Mesh.Box(device, 0.78f, 2.0f, 0.5f);<br />
...<br />
		}<br />
		protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)<br />
		{<br />
...<br />
				DrawBox(angle / (float)Math.PI, angle / (float)Math.PI * 8.0f, angle / (float)Math.PI, -0.41f, 0.8f, hDepth);<br />
...<br />
}<br />
		private void DrawBox(float yaw, float pitch, float roll, float x, float y, float z)<br />
		{<br />
			angle += 0.01f;<br />
			device.Transform.World = Matrix.RotationYawPitchRoll(yaw, pitch, roll) * Matrix.Translation(x, y, z);<br />
			Material boxMaterial = new Material();<br />
			device.Lights[0].Type = LightType.Directional;<br />
			device.Lights[0].Diffuse = Color.Red;<br />
			device.Lights[0].Direction = new Vector3(0,-1,-1);<br />
			device.Lights[0].Commit();<br />
			device.Lights[0].Enabled = true;<br />
			boxMaterial.Diffuse = Color.White;<br />
			device.Material = boxMaterial;<br />
			mesh.DrawSubset(0);<br />
		}

<br />
try<br />
{<br />
    // Create a DOM Document and load the XML data into it.<br />
    XmlDocument dom = new XmlDocument();<br />
    dom.Load(textBox1.Text);<br />
<br />
    // Initialize the TreeView control.<br />
    treeView1.Nodes.Clear();<br />
    treeView1.Nodes.Add(new TreeNode(dom.DocumentElement.Name));<br />
    TreeNode tNode = new TreeNode();<br />
    tNode = treeView1.Nodes[ 0 ];<br />
<br />
    // Populate the TreeView with the DOM nodes.<br />
    AddNode(dom.DocumentElement, tNode);<br />
    treeView1.ExpandAll();<br />
}<br />
catch(XmlException xmlEx)<br />
{<br />
    MessageBox.Show(xmlEx.Message);<br />
}<br />
catch(Exception ex)<br />
{<br />
    MessageBox.Show(ex.Message);<br />
}<br />
 <br />
<br />
<br />
		<br />
private void AddNode(XmlNode inXmlNode, TreeNode inTreeNode)<br />
{<br />
 XmlNode xNode;<br />
 TreeNode tNode;<br />
 XmlNodeList nodeList;<br />
 int i;<br />
<br />
 // Loop through the XML nodes until the leaf is reached.<br />
 // Add the nodes to the TreeView during the looping process.<br />
 if (inXmlNode.HasChildNodes)<br />
 {<br />
    nodeList = inXmlNode.ChildNodes;<br />
    for(i = 0; i<=nodeList.Count - 1; i++)<br />
    {<br />
       xNode = inXmlNode.ChildNodes[ i ];<br />
       inTreeNode.Nodes.Add(new TreeNode(xNode.Name));<br />
       tNode = inTreeNode.Nodes[ i ];<br />
       AddNode(xNode, tNode);<br />
    }<br />
 }<br />
 else<br />
 {<br />
    // Here you need to pull the data from the XmlNode based on the<br />
    // type of node, whether attribute values are required, and so forth.<br />
    inTreeNode.Text = (inXmlNode.OuterXml).Trim();<br />
 }<br />
}<br />
 <br />