private void btnCancelDownload_Click(object sender, EventArgs e)
{
if (IndexDownloadWorker.IsBusy)
{
IndexDownloadWorker.CancelAsync();
}
if (AssetDowloadWorker.IsBusy)
{
AssetDowloadWorker.CancelAsync();
}
}
private void btnIndexDownload_Click(object sender, EventArgs e)
{
if (IndexDownloadWorker.IsBusy || AssetDowloadWorker.IsBusy)
{
MessageBox.Show("正在下载文件，不能进行其他操作。", "", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return;
}
btnAssetDownLoad.Visible = false;
btnCancelDownload.Visible = true;
labelDownLoadInfo.Text = "正在下载索引文件，这需要数秒至数分钟的时间...期间请勿退出程序";
IndexDownloadWorker.RunWorkerAsync();
}
private void IndexDownloadWorker_DoWork(object sender, DoWorkEventArgs e)
{
ServicePointManager.ServerCertificateValidationCallback += (s, cert, chain, sslPolicyErrors) => true;
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Define.GetIndexUrl());
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
Stream responseStream = response.GetResponseStream();
Stream fileStream = new FileStream(Define.GetFullIndexPath(), FileMode.Create);
long countSize = 0;
long originSize = response.ContentLength / 100;
byte[] bArr = new byte[10000];
int size = responseStream.Read(bArr, 0, bArr.Length);
while (size > 0)
{
if (IndexDownloadWorker.CancellationPending)
{
e.Cancel = true;
break;
}
fileStream.Write(bArr, 0, size);
size = responseStream.Read(bArr, 0, bArr.Length);
countSize = countSize + size;
long result = countSize / originSize;
IndexDownloadWorker.ReportProgress((int)result);
}
fileStream.Close();
responseStream.Close();
IndexDownloadWorker.ReportProgress(100);
if (e.Cancel)
{
IndexDownloadWorker.ReportProgress(0);
File.Delete(Define.GetFullIndexPath());
}
}