graphicsform.cs

清华大学出版社出版的 移动应用开发宝典 张大威（2008）的附书源代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.WindowsMobile.DirectX;
using Microsoft.WindowsMobile.DirectX.Direct3D;

namespace WhiteScreen
{
    public partial class GraphicsForm : Form
    {
        /// <summary>
        /// Device we are going to use to render our graphics
        /// </summary>
        private Device device;

        public GraphicsForm()
        {
            InitializeComponent();
        }

        public void Init()
        {
            PresentParameters presentParams = new PresentParameters();
            presentParams.Windowed = true;
            presentParams.SwapEffect = SwapEffect.Discard;
            device = new Device(
                0,                      // device number 0
                DeviceType.Default,     // default configuration
                this,                   // reference to the parent window
                CreateFlags.None,       // no special creation flags
                presentParams);         // the presentation parameters
        }

        protected override void OnPaintBackground(PaintEventArgs e)
        {
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            Render();
        }

        private void Render()
        {
            device.Clear(ClearFlags.Target, Color.White, 1.0f, 0);
            device.BeginScene();
            device.EndScene();
            device.Present();
        }
    }
}