C#

<br />
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)<br />
{<br />
   device.Transform.Projection = Matrix.PerspectiveFovLH((float)Math.PI/4, this.Width/this.Height, 1f, 50f);<br />
   device.Transform.View = Matrix.LookAtLH(new Vector3(0,0,30), new Vector3(0,0,0), new Vector3(0,1,0));<br />
   device.RenderState.Lighting = false;<br />
   device.RenderState.CullMode = Cull.None;<br />
<br />
   CustomVertex.PositionColored[] vertices = new CustomVertex.PositionColored[3];<br />
   vertices[0].SetPosition(new Vector3(0f, 0f, 0f));<br />
   vertices[0].Color = Color.Red.ToArgb();<br />
   vertices[1].SetPosition(new Vector3(10f, 0f, 0f));<br />
   vertices[1].Color = Color.Green.ToArgb();<br />
   vertices[2].SetPosition(new Vector3(5f, 100f, 0f));<br />
   vertices[2].Color = Color.Yellow.ToArgb();<br />
<br />
   device.Clear(ClearFlags.Target, Color.DarkSlateBlue, 1.0f, 0);<br />
<br />
   device.BeginScene();<br />
   device.VertexFormat = CustomVertex.PositionColored.Format;<br />
   device.DrawUserPrimitives(PrimitiveType.TriangleList, 1, vertices);<br />
   device.EndScene();<br />
<br />
   device.Present();<br />
<br />
   this.Invalidate();			<br />
}<br />

public void OnConnection(object application, Extensibility.ext_ConnectMode connectMode, object addInInst, ref System.Array custom)
{
	applicationObject = (_DTE)application;
	addInInstance = (AddIn)addInInst;
	if(connectMode == Extensibility.ext_ConnectMode.ext_cm_UISetup)
	{
		object []contextGUIDS = new object[] { };
		Commands commands = applicationObject.Commands;
		_CommandBars commandBars = applicationObject.CommandBars;
		try
		{
			//add command
			Command cmd = null;
			try
			{
				cmd = commands.Item(FullCommandName,0);
			}
			catch(Exception Err)
			{
				Debug.WriteLine("OnConnection: "+Err.Message);
			}
			if(cmd!=null)
				cmd.Delete();
			cmd = commands.AddNamedCommand(addInInstance,CodeDepotRes.ProgID,CodeDepotRes.CommandName,CodeDepotRes.ToolTip,false, 102,ref contextGUIDS,(int)vsCommandStatus.vsCommandStatusSupported+(int)vsCommandStatus.vsCommandStatusEnabled);
			//add command bar
			CommandBar Bar = GetCommandBar(CodeDepotRes.ProgID);
			if(Bar!=null)
				commands.RemoveCommandBar(Bar);
			Bar=(CommandBar)commands.AddCommandBar(CodeDepotRes.ProgID,vsCommandBarType.vsCommandBarTypeToolbar,null,0);
					
			//add button
			CommandBarButton btn = (CommandBarButton) cmd.AddControl(Bar, 1);
			btn.Style = MsoButtonStyle.msoButtonIcon;

			// Add a drop-down list box to the command bar.
			CommandBarComboBox DropBox = (CommandBarComboBox) Bar.Controls.Add(
						MsoControlType.msoControlDropdown,oMissing,oMissing,oMissing,oMissing);
			DropBox.Width=300;
			// Add items to the list box.
			DropBox.AddItem("[Open Code Depot Manager]",oMissing);
			// Set the caption and style.
			DropBox.Caption = "Snipets:";
			DropBox.Style = MsoComboStyle.msoComboLabel;
		}
		catch(System.Exception Err)
		{
			Debug.WriteLine("OnConnect:"+Err.Message);
		}
	}
			
}

public struct DUMMY<br />
    {<br />
        public ushort dummy1;<br />
        public ushort dummy2;<br />
        public ushort dummy3;<br />
        public ushort[] dummy4;<br />
    }<br />
    <br />
    private byte [] filedata = new byte[512];<br />
<br />
    public void MemCopy(ref byte [] source, ref object dest)<br />
    {<br />
       IntPtr Ptr = Marshal.AllocHGlobal(Marshal.SizeOf(dest));<br />
       Marshal.StructureToPtr(dest, Ptr, true);<br />
       int size = Marshal.SizeOf(dest);<br />
       Marshal.Copy(source, 0, Ptr, size);<br />
    }<br />
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