代码例如以下：
using System;using System.Collections.Generic;using ponentModel;using System.Drawing;using System.Data;using System.Linq;using System.Text;using System.Windows.Forms;//debug 引用using System.Diagnostics;namespace CYSoft.TS.UI.StudentInfo{public partial class PicboxPlayGif : UserControl{private Image m_imgImage = null;private EventHandler m_evthdlAnimator = null;public PicboxPlayGif(){InitializeComponent();this.SetStyle(ControlStyles.UserPaint, true);this.SetStyle(ControlStyles.DoubleBuffer, true);this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);//为托付关联一个处理方法m_evthdlAnimator = new EventHandler(OnImageAnimate);Debug.Assert(m_evthdlAnimator != null);}private bool isPicboxFit = true;[Description("pic 的宽和高和 真实gif的宽和高 是否要一致 ture=一致 false=不一致 ")]public bool _isPicboxFit {get { return isPicboxFit; }set { this.isPicboxFit = value;this.Invalidate();}}private int picWidth = 0;[Description("图片宽度（假设isPicboxFit=true 这个參数无意义）")]public int _picWidth {get { return picWidth; }set {if (!isPicboxFit) {if(value!=0){this.picWidth = value;this.Invalidate();}}}}private int picHeight = 0;[Description("图片高度（假设isPicboxFit=true 这个參数无意义）")]public int _picHeight {get { return picHeight; }set {if (!isPicboxFit){if (value != 0){this.picHeight = value;this.Invalidate();}}}}private string imagePath = "C:\\Users\\Thinkpad\\Desktop\\素材\\WaitLoading.gif";[Description("图片路径")]public string _imagePath {get { return imagePath; }set { this.imagePath = value;this.Invalidate();}}private AA imageLayout = AA.Stretch;[Description("图片在picbox中的显示方式")]public AA _imageLayout {get { return imageLayout; }set {this.imageLayout = value;this.Invalidate();}}public enum AA { None,Title,Center,Stretch,Zoom}protected override void OnPaint(PaintEventArgs e){base.OnPaint(e);if (m_imgImage != null){UpdateImage();//不用picbox 直接输出// e.Graphics.DrawImage(m_imgImage, new Rectangle(100, 100, m_imgImage.Width, m_imgImage.Height));//image 格式if(imageLayout==AA.None){pic.BackgroundImageLayout = ImageLayout.None;}else if(imageLayout==AA.Title){pic.BackgroundImageLayout = ImageLayout.Tile;}else if (imageLayout == AA.Stretch){pic.BackgroundImageLayout = ImageLayout.Stretch;}else if (imageLayout == AA.Zoom){pic.BackgroundImageLayout = ImageLayout.Zoom;}else {pic.BackgroundImageLayout = ImageLayout.Center;}pic.BackgroundImage = m_imgImage;}}protected override void OnLoad(EventArgs e){base.OnLoad(e);//载入图片m_imgImage = Image.FromFile(imagePath);if (isPicboxFit){this.Width = m_imgImage.Width;this.Height = m_imgImage.Height;}else{this.Width = picWidth;this.Height = picHeight;}//pic设置pic.BackColor = Color.Transparent;pic.Dock = DockStyle.Fill;//BeginAnimate();}/// <summary>/// 播放或停止 动画/// </summary>/// <param name="isPlay">true=播放 false=停止</param>public void _PlayOrEndGif(bool isPlay) {if (isPlay){BeginAnimate();}else {if (m_imgImage != null){StopAnimate();//m_imgImage = null;}}}//開始动画private void BeginAnimate(){if (m_imgImage == null)return;if (ImageAnimator.CanAnimate(m_imgImage)){//当gif动画每隔一定时间后，都会变换一帧。那么就会触发一事件，//该方法就是将当前image每变换一帧时，都会调用当前这个托付所关联的方法。ImageAnimator.Animate(m_imgImage,m_evthdlAnimator);}}//结束动画private void StopAnimate(){if (m_imgImage == null)return;if (ImageAnimator.CanAnimate(m_imgImage)){ImageAnimator.StopAnimate(m_imgImage,m_evthdlAnimator);}}//切换图片（帧图片）private void UpdateImage(){if (m_imgImage == null)return;if (ImageAnimator.CanAnimate(m_imgImage)){//获得当前gif动画的下一步须要渲染的帧。当下一步不论什么对当前gif动画的操作都是对该帧进行操作)ImageAnimator.UpdateFrames(m_imgImage);}}private void OnImageAnimate(Object sender,EventArgs e){//使得当前这个winfor重绘，然后去调用该winform的OnPaint()方法进行重绘this.Invalidate(); }private void PicboxPlayGif_Load(object sender, EventArgs e){}}}
调用：
上图右边是属性设置：
播放gif：
picboxPlayGif2._PlayOrEndGif(true);
停止gif：
picboxPlayGif2._PlayOrEndGif(true);
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