我要评论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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