public void StartDownLoad()
{
try
{
//lblProgress.Text = "正在下载更新文件,请稍后...";
this.Invoke(_UpdateProgressDelegate, new Object[] { "正在下载更新文件,请稍后..." });
if (StrUrl == "GetDownloadUrlError") //获得url错误，推出程序
{
_ItemExitDelegateEvent();
return;
}
System.Diagnostics.Trace.WriteLine(StrUrl);
_rusumeDownload.downLoad(FileName, StrUrl);
this.Invoke(_UpdateProgressDelegate, new Object[] { "" });
}
catch (System.ObjectDisposedException)
{
}
catch (Exception ex)
{
if (ex.Message == "ThreadAbort")
{
_ItemExitDelegateEvent();
return;
}
else
{
_MsgBoxShowDelegateEvent("下载过程中出现错误，请检查网络并重新下载。",true);
//_ItemExitDelegateEvent();
return;
}
}
finally
{
_rusumeDownload = null;
}
//下载完毕，自动执行
Process.Start(FileName, null);
_ItemExitDelegateEvent();
ExitProgram();
}
private void UpdateForm_Load(object sender, EventArgs e)
{
_rusumeDownload = new RusumeDownload();
_rusumeDownload.CLabeText += new RusumeDownload.CLabelTextDelegate(_rusumeDownload_CLabeText);
_rusumeDownload.CProgressBarMaximum += new RusumeDownload.CProgressBarMaximumDeletate(_rusumeDownload_CProgressBarMaximum);
_rusumeDownload.CProgressBarValue += new RusumeDownload.CProgressBarValueDeletate(_rusumeDownload_CProgressBarValue);
_UpdateProgressDelegate = new UpdateProgressDelegate(UpdateProgress);
_CProgressBarValue = new CProgressBarValue(ProgressBarValue);
_CProgressBarMaximum = new CProgressBarMaximum(ProgressBarMaximum);
_CLabeText = new CLabeText(LabeText);
_ItemExitDelegateEvent += new ItemExitDelegate(UpdateForm__ItemExitDelegateEvent);
_MsgBoxShowDelegateEvent += new MsgBoxShowDelegate(UpdateForm__MsgBoxShowDelegateEvent);
try
{
if (File.Exists(FileName))
{
File.Delete(FileName);
}
}
catch (Exception ex)
{
_MsgBoxShowDelegateEvent("删除老文件错误，" + ex.Message,true);
ExitProgram();
}
_Thread = new Thread(new ThreadStart(StartDownLoad));
_Thread.Start();
}
