Winform 显示Gif图片的实例代码

概述复制代码代码如下:usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Dia

复制代码 代码如下:
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;
using System.Diagnostics;

namespace DysncPicTest
{
    public partial class Form1 : Form
    {
        private Image m_imgImage = null;
        private EventHandler m_evthdlAnimator = null;
        public Form1()
        {
            InitializeComponent();
            this.SetStyle(ControlStyles.UserPaint,true);
            this.SetStyle(ControlStyles.DoubleBuffer,true);
            this.SetStyle(ControlStyles.AllPaintingInWmPaint,true);

            m_evthdlAnimator = new EventHandler(OnImageAnimate);
            DeBUG.Assert(m_evthdlAnimator != null);
        }

        protected overrIDe voID OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            if (m_imgImage != null)
            {
                UpdateImage();
                e.Graphics.DrawImage(m_imgImage,new Rectangle(100,100,m_imgImage.WIDth,m_imgImage.Height));
            }
        }

        protected overrIDe voID OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            m_imgImage = Image.Fromfile("1.gif"); // 加载测试用的gif图片
            BeginAnimate();
        }

        private voID Form1_FormClosing(object sender,FormClosingEventArgs e)
        {
             if (m_imgImage != null)
            {
                StopAnimate();
                m_imgImage = null;
            }
        }

        private voID BeginAnimate()
        {
           if (m_imgImage == null)
                return;

           if (ImageAnimator.CanAnimate(m_imgImage))
           {
                ImageAnimator.Animate(m_imgImage,m_evthdlAnimator);
           }
        }

        private voID StopAnimate()
        {
            if (m_imgImage == null)
                return;

            if (ImageAnimator.CanAnimate(m_imgImage))
            {
                ImageAnimator.StopAnimate(m_imgImage,m_evthdlAnimator);
            }
        }

        private voID UpdateImage()
        {
            if (m_imgImage == null)
                return;

            if (ImageAnimator.CanAnimate(m_imgImage))
            {
                ImageAnimator.UpdateFrames(m_imgImage);
            }
        }

        private voID OnImageAnimate(Object sender,EventArgs e)
        {
            this.InvalIDate();
        }

        private voID Form1_Load(object sender,EventArgs e)
        {

        }
    }
}        

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