Winform 显示Gif图片的实例代码
Winform 显示Gif图片的实例代码
发布时间:2016-12-28 来源:查字典编辑
摘要:复制代码代码如下:usingSystem;usingSystem.Collections.Generic;usingSystem.Compo...

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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