private static void OnResponse(IAsyncResult ar)
{
var versionRegex = new Regex(@"<meta\s+name\s*=\s*'ChapterTool'\s+content\s*=\s*'(\d+\.\d+\.\d+\.\d+)'\s*>", RegexOptions.Compiled);
var baseUrlRegex = new Regex(@"<meta\s+name\s*=\s*'BaseUrl'\s+content\s*=\s*'(.+)'\s*>", RegexOptions.Compiled);
var webRequest = (WebRequest)ar.AsyncState;
Stream responseStream;
try
{
responseStream = webRequest.EndGetResponse(ar).GetResponseStream();
}
catch (Exception exception)
{
MessageBox.Show(
string.Format(
"检查更新失败, 错误信息:{0}{1}{0}请联系TC以了解详情",
Environment.NewLine, exception.Message), @"Update Check Fail");
responseStream = null;
}
if (responseStream == null)
{
return;
}
var streamReader = new StreamReader(responseStream);
var context = streamReader.ReadToEnd();
var result = versionRegex.Match(context);
var urlResult = baseUrlRegex.Match(context);
if (!result.Success || !result.Success)
{
return;
}
var currentVersion = Assembly.GetExecutingAssembly().GetName().Version;
var remoteVersion = Version.Parse(result.Groups[1].Value);
if (currentVersion >= remoteVersion)
{
MessageBox.Show($"v{currentVersion} 已是最新版", @"As Expected");
return;
}
var dialogResult = MessageBox.Show(
caption: @"Wow! Such Impressive",
text: $"新车已发车 v{remoteVersion}，上车!",
buttons: MessageBoxButtons.YesNo,
icon: MessageBoxIcon.Asterisk);
if (dialogResult != DialogResult.Yes)
{
return;
}
var formUpdater = new FormUpdater(Assembly.GetExecutingAssembly().Location, remoteVersion, urlResult.Groups[1].Value);
formUpdater.ShowDialog();
}
private void Changelog_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
FormUpdater formUpdater = new FormUpdater();
formUpdater.Show();
}
private void BtnTest_Click(object sender, EventArgs e)
{
var updaterForm = new FormUpdater();
updaterForm.Show();
}
