DirecrX (Managed) Create a Device C#

C#에서 프로젝트를 하기 위해서 DirectX를 연동하고 있다.
현재 소스는 Tutorial 1: Create a Device를 사용해서 UserControl에 붙인 것과 동일합니다.

----DxViewer.cs----
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

// DirectX
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;
using Direct3D = Microsoft.DirectX.Direct3D;

namespace Gsi.DxViewer
{
    public delegate void RenderEventHandler(object sender, DeviceEventArgs e);
    public delegate void CreateDeviceEventHandler(object sender, DeviceEventArgs e);

    public class DeviceEventArgs : EventArgs
    {
        private Device _device;

        public Device Device { get { return _device; } }

        public DeviceEventArgs(Device device)
        {
            _device = device;
        }
    }
   
    public partial class DxViewer : UserControl
    {
        #region Members;

        private Device _device = null;
//        private Form _parent = null;

        public event RenderEventHandler OnRender;
        public event CreateDeviceEventHandler OnCreateDevice;

        #endregion

        #region ctor
        public DxViewer()
        {
            InitializeComponent();
        }
        #endregion

        #region Init DX

        /// <summary>
        /// Init the DirectX-Stuff here
        /// </summary>
        /// <param name="parent">parent of the DevicePanel</param>
        ///
        public void Init()
        {
            try
            {
                // Setup our D3D stuff
                PresentParameters presentParams = new PresentParameters();
                presentParams.Windowed = true;
                presentParams.SwapEffect = SwapEffect.Discard;
                _device = new Device(0, DeviceType.Hardware, this,
                CreateFlags.SoftwareVertexProcessing, presentParams);

                if (OnCreateDevice != null)
                    OnCreateDevice(this, new DeviceEventArgs(_device));

            }
            catch (DirectXException ex)
            {
                throw new ArgumentException("Error initializing DirectX", ex);
            }
        }
        #endregion

        #region Properties

        /// <summary>
        /// Extend this list of properties if you like
        /// </summary>
        private Color _deviceBackColor = Color.Black;

        public Color DeviceBackColor
        {
            get { return _deviceBackColor; }
            set { _deviceBackColor = value; }
        }
        #endregion

        #region Rendering

        /// <summary>
        /// Rendering-method
        /// </summary>
        public void Render()
        {
            if (_device == null)
                return;

            //Clear the backbuffer
            _device.Clear(ClearFlags.Target, _deviceBackColor, 1.0f, 0);

            //Begin the scene
            _device.BeginScene();

            // Render of scene here
            if (OnRender != null)
                OnRender(this, new DeviceEventArgs(_device));

            //End the scene
            _device.EndScene();
            _device.Present();
        }

        #endregion

        #region Overrides

        protected override void OnPaint(PaintEventArgs e)
        {
            // Render on each Paint
            this.Render();
        }
        #endregion

    }
}

----Form1.cs----
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

// DirectX
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;
using Direct3D = Microsoft.DirectX.Direct3D;

using Gsi.DxViewer;

namespace AzeViewerSimple2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            dxViewer1.Init();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            dxViewer1.Invalidate();
        }

        private void dxViewer1_OnCreateDevice(object sender, DeviceEventArgs e)
        {
            Device device = e.Device;
        }

        private void dxViewer1_OnRender(object sender, DeviceEventArgs e)
        {
            Device device = e.Device;
        }
    }
}

----참고사항----
References 에
Microsoft.DirectX
Microsoft.DirectX.Direct3D
Microsoft.DirectX.Direct3DX
를 추가 한후에 빌더를 하고 나면 DxViewer 컨트롤이 Toolbox에 생깁니다.
그 컨트롤을 Form1의 디자인 화면으로 드래그 해서 넣은 후에
이름을 dxViewer1이라고 지정한후 코드를 참조 하시면 됩니다.

이후 질문은 코멘트 달아 주세요.