ワイヤーフレームとポイントでの表示

using System;
using System.Drawing;
using System.Windows.Forms;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

namespace Project2
{
    /// <summary>
    /// md3d2 の概要の説明です。
    /// </summary>
    public class md3d2:Form
    {
        public md3d2():base()
        {
            this.MinimumSize=new Size(80,60);
            this.ClientSize = new Size(300,300);
            this.Text ="Direct3D-My";
        }

        private Device device_;
        private PresentParameters presentParam_;


        /// <summary>
        /// 立方体メッシュ
        /// </summary>
        private Mesh teaMesh_;

        /// <summary>
        /// Direct3Dの初期化を行います。
        /// </summary>
        /// <returns>初期化が成功したかどうか</returns>
        public bool DXInitialize()
        {
            try
            {
                presentParam_ = new PresentParameters();

                presentParam_.Windowed =true;
                presentParam_.SwapEffect = SwapEffect.Discard;
                presentParam_.AutoDepthStencilFormat =DepthFormat.D16;
                presentParam_.EnableAutoDepthStencil=true;


                device_ = new Device(0,DeviceType.Hardware,this
                    ,CreateFlags.HardwareVertexProcessing,presentParam_);

                device_.RenderState.ZBufferEnable=true;
                device_.RenderState.ZBufferWriteEnable=true;


                //メッシュを作成
                creatMesh();

                return true;
            }
            catch
            {
                return false;
            }

        }


        /// <summary>
        /// メッシュを作成する
        /// </summary>
        private void creatMesh()
        {
            teaMesh_ = Mesh.Teapot(device_);
        }

        public void Render()
        {
            if(device_==null)return;
            if(this.WindowState ==FormWindowState.Minimized)return;



            //カメラの設定を行う
            device_.Transform.View = Matrix.LookAtLH(
                new Vector3( 5.0f, 0.0f, 0.0f ),
                new Vector3( 0.0f, 0.0f, 0.0f ),
                new Vector3( 0.0f, 1.0f, 0.0f ) );
            device_.Transform.Projection =
                Matrix.PerspectiveFovLH((float)Math.PI / 4,
                (float)this.ClientSize.Width / (float)this.ClientSize.Height,
                3.0f, 15.0f);
            device_.Clear(ClearFlags.Target|ClearFlags.ZBuffer,
                Color.Blue,1.0f,0);

            device_.BeginScene();

            Material mat =new Material();
            mat.AmbientColor = new ColorValue(1.0f,1.0f,1.0f);
            device_.Material = mat;
            device_.RenderState.Ambient = Color.Red;

            //ワイヤーフレームモードに
            device_.RenderState.FillMode = FillMode.WireFrame;

            teaMesh_.DrawSubset(0);

            device_.EndScene();
            try
            {
                //更新
                device_.Present();
            }
            catch(DeviceLostException)
            {
                resetDevice();

            }
        }

        /// <summary>
        /// デバイスのリセットを行う
        /// </summary>
        private void resetDevice()
        {
            int result;
            if(!device_.CheckCooperativeLevel(out result))
            {
                if(result ==(int)ResultCode.DeviceLost)
                {
                    //ちょっと待つ
                    System.Threading.Thread.Sleep(10);
                }
                else if(result ==(int)ResultCode.DeviceNotReset)
                {
                    device_.Reset(presentParam_);
                }
            }
        }
    }

    /// <summary>
    /// エントリクラス
    /// </summary>
    class Program
    {
        public static void Main()
        {
            using(md3d2 dxform =new md3d2())
            {
                if(!dxform.DXInitialize())
                {
                    MessageBox.Show("Diret3Dの初期化に失敗しました。"
                        ,"初期化の失敗");
                    return;
                }
                dxform.Show();

                while(dxform.Created)
                {
                    dxform.Render();
                    Application.DoEvents();
                }
            }
        }
    }
}

device_.RenderState.FillMode = FillMode.WireFrame;