protected override void OnNavigatedFrom(NavigationEventArgs e)
{
cts.Cancel();
cts.Dispose();
httpClient.Dispose();
filter.Dispose();
}
private async Task GetWebServiceRelatedDataAsync(ReDataGroup group)
{
try
{
if ((group == null) && (group.UniqueId.Equals(string.Empty)))
{
return;
}
string requestUrl = "http://replatform.cloudapp.net:8000/getrelated/?id={0}&uuid={1}&type={2}&from={3}&to={4}";
//string requestUrl = "http://192.168.1.215:9999/getrelated/?id={0}";
requestUrl = String.Format(requestUrl, group.UniqueId, App.gDeviceName, App.gDeviceType, App.NavigationRoadmap.GetFrom(), App.NavigationRoadmap.GetTo());
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
filter.AutomaticDecompression = true;
HttpClient httpClient = new HttpClient(filter);
CancellationTokenSource cts = new CancellationTokenSource();
filter.CacheControl.ReadBehavior = HttpCacheReadBehavior.Default;
filter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.Default;
Uri resourceUri;
if (!Uri.TryCreate(requestUrl.Trim(), UriKind.Absolute, out resourceUri))
{
return;
}
HttpResponseMessage response = await httpClient.GetAsync(resourceUri).AsTask(cts.Token);
string jsonText = await Helpers.GetResultAsync(response, cts.Token);
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
GetRelatedResultJsonData(group, jsonText);
}
catch (Exception e)
{
String ex = e.Message;
}
}
public void Dispose()
{
httpClient?.Dispose();
httpClient = null;
cts?.Dispose();
cts = null;
filter?.Dispose();
filter = null;
}
public void Dispose()
{
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
}
private async Task GetContentsWebServiceDataAsync(string uniqueId)
{
if (String.IsNullOrWhiteSpace(uniqueId))
{
return;
}
try
{
string requestUrl = "http://replatform.cloudapp.net:8000/getTopical/?id={0}&uuid={1}&type={2}&from={3}&to={4}&r={5}";
Random random = new Random();
int r = random.Next();
requestUrl = String.Format(requestUrl, uniqueId, App.gDeviceName, App.gDeviceType, App.NavigationRoadmap.GetFrom(), App.NavigationRoadmap.GetTo(), r);
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
filter.AutomaticDecompression = true;
HttpClient httpClient = new HttpClient(filter);
CancellationTokenSource cts = new CancellationTokenSource();
filter.CacheControl.ReadBehavior = HttpCacheReadBehavior.Default;
filter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.Default;
Uri resourceUri;
if (!Uri.TryCreate(requestUrl.Trim(), UriKind.Absolute, out resourceUri))
{
return;
}
HttpResponseMessage response = await httpClient.GetAsync(resourceUri).AsTask(cts.Token);
string jsonText = await Helpers.GetResultAsync(response, cts.Token);
GetContentResultJsonData(jsonText);
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
}
catch (Exception) { }
}
private async Task GetWebServiceDataAsync()
{
try
{
string requestUrl = "http://replatform.cloudapp.net:8000/getguess/?uuid={0}&type={1}&page={2}&from={3}&to={4}&r={5}";
//string requestUrl = "http://192.168.1.215:9999/getguess/?uuid={0}&page={1}";
string userid = App.gDeviceName;
string type = App.gDeviceType;
Random random = new Random();
int page = defaultPageValue;//random.Next(iMinInclusivePageValue, iMaxExclusivePageValue);
int r = random.Next();
requestUrl = String.Format(requestUrl, userid, type, page, App.NavigationRoadmap.GetFrom(), App.NavigationRoadmap.GetTo(), r);
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
filter.AutomaticDecompression = true;
HttpClient httpClient = new HttpClient(filter);
CancellationTokenSource cts = new CancellationTokenSource();
filter.CacheControl.ReadBehavior = HttpCacheReadBehavior.Default;
filter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.Default;
Uri resourceUri;
if (!Uri.TryCreate(requestUrl.Trim(), UriKind.Absolute, out resourceUri))
{
return;
}
HttpResponseMessage response = await httpClient.GetAsync(resourceUri).AsTask(cts.Token);
string jsonText = await Helpers.GetResultAsync(response, cts.Token);
GetResultJsonData(jsonText);
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
}
catch (Exception) {}
}
//private async Task GetReDataAsync()
//{
// if (this._groups.Count != 0)
// return;
// Uri dataUri = new Uri("ms-appx:///DataModel/ReData.json");
// StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri);
// string jsonText = await FileIO.ReadTextAsync(file);
// JsonObject jsonObject = JsonObject.Parse(jsonText);
// JsonArray jsonArray = jsonObject["Groups"].GetArray();
// foreach (JsonValue groupValue in jsonArray)
// {
// JsonObject groupObject = groupValue.GetObject();
// ReDataGroup group = new ReDataGroup(groupObject["UniqueId"].GetString(),
// groupObject["Title"].GetString());
// int index = 0;
// foreach (JsonValue itemValue in groupObject["Items"].GetArray())
// {
// JsonObject itemObject = itemValue.GetObject();
// string uniqueIdTmp = itemObject["UniqueId"].GetString();
// string titleTmp = itemObject["Title"].GetString();
// string subTitleTmp = itemObject["Subtitle"].GetString();
// string imagePathTmp = itemObject["ImagePath"].GetString();
// string descriptionTmp = itemObject["Description"].GetString();
// string playUrlTmp = itemObject["PlayUrl"].GetString();
// ReDataItem ri = new ReDataItem(index, uniqueIdTmp);
// group.Items.Add(ri);
// index++;
// }
// this.Groups.Add(group);
// }
//}
private async Task GetWebServiceDataAsync()
{
if (this._groups.Count != 0)
{
return;
}
try
{
string requestUrl = "http://replatform.cloudapp.net:8000/getpopular/?uuid={0}&type={1}&from={2}&to={3}";
requestUrl = String.Format(requestUrl, App.gDeviceName, App.gDeviceType, App.NavigationRoadmap.GetFrom(), App.NavigationRoadmap.GetTo());
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
filter.AutomaticDecompression = true;
HttpClient httpClient = new HttpClient(filter);
CancellationTokenSource cts = new CancellationTokenSource();
filter.CacheControl.ReadBehavior = HttpCacheReadBehavior.Default;
filter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.Default;
Uri resourceUri;
if (!Uri.TryCreate(requestUrl.Trim(), UriKind.Absolute, out resourceUri))
{
return;
}
HttpResponseMessage response = await httpClient.GetAsync(resourceUri).AsTask(cts.Token);
string jsonText = await Helpers.GetResultAsync(response, cts.Token);
GetResultPopularJsonData(jsonText);
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
}
catch (Exception) {}
}
private async Task PostWebServiceDataAsync(string mediaId)
{
try
{
Random random = new Random();
int r = random.Next();
string requestUrl = "http://replatform.cloudapp.net:8000/userAction?uuid={0}&type={1}&media_id={2}&from={3}&to={4}&r={5}";
string userid = App.gDeviceName;
requestUrl = String.Format(requestUrl, userid, App.gDeviceType, mediaId, App.NavigationRoadmap.GetFrom(), App.NavigationRoadmap.GetTo(), r);
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
filter.AutomaticDecompression = true;
HttpClient httpClient = new HttpClient(filter);
CancellationTokenSource cts = new CancellationTokenSource();
filter.CacheControl.ReadBehavior = HttpCacheReadBehavior.Default;
filter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.Default;
Uri resourceUri;
if (!Uri.TryCreate(requestUrl.Trim(), UriKind.Absolute, out resourceUri))
{
return;
}
HttpResponseMessage response = await httpClient.GetAsync(resourceUri).AsTask(cts.Token);
string jsonText = await Helpers.GetResultAsync(response, cts.Token);
GetPostUserActionResult(jsonText);
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
}
catch (Exception) { }
}
/// <summary>
/// Dispose
/// </summary>
public void Dispose()
{
if (mFilter != null)
{
mFilter.Dispose();
mFilter = null;
}
if (mHttpClient != null)
{
mHttpClient.Dispose();
mHttpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
}
public async Task ShowWebView(int width, int height)
{
appWindow = await AppWindow.TryCreateAsync();
webView.Width = width;
webView.Height = height;
appWindow.RequestSize(new Windows.Foundation.Size(width, height));
ElementCompositionPreview.SetAppWindowContent(appWindow, webView);
httpRequestMessage.Method = HttpMethod.Get;
httpRequestMessage.RequestUri = new Uri(loginUri);
appWindow.Closed += delegate
{
appWindow = null;
httpRequestMessage.Dispose();
filter.Dispose();
webView.Stop();
};
webView.NavigateWithHttpRequestMessage(httpRequestMessage);
await appWindow.TryShowAsync();
}
private async Task GetWebServiceRelatedDataAsync(ReDataGroup group)
{
try
{
if ((group == null) && (group.UniqueId.Equals(string.Empty)))
{
return;
}
string requestUrl = "http://replatform.cloudapp.net:8000/getrelated/?id={0}&uuid={1}&type={2}&from={3}&to={4}";
//string requestUrl = "http://192.168.1.215:9999/getrelated/?id={0}";
requestUrl = String.Format(requestUrl, group.UniqueId, App.gDeviceName, App.gDeviceType, App.NavigationRoadmap.GetFrom(), App.NavigationRoadmap.GetTo());
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
filter.AutomaticDecompression = true;
HttpClient httpClient = new HttpClient(filter);
CancellationTokenSource cts = new CancellationTokenSource();
filter.CacheControl.ReadBehavior = HttpCacheReadBehavior.Default;
filter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.Default;
Uri resourceUri;
if (!Uri.TryCreate(requestUrl.Trim(), UriKind.Absolute, out resourceUri))
{
return;
}
HttpResponseMessage response = await httpClient.GetAsync(resourceUri).AsTask(cts.Token);
string jsonText = await Helpers.GetResultAsync(response, cts.Token);
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
GetRelatedResultJsonData(group, jsonText);
}
catch (Exception e)
{
String ex = e.Message;
}
}
public async void GetAccountBasicInfo(string username, string passowrd)
{
HttpClient client = null;
HttpRequestMessage request = null;
HttpResponseMessage response = null;
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
try
{
client = new HttpClient(filter);
response = await client.GetAsync(new Uri("https://jfself.bjut.edu.cn/LoginAction.action"));
string re = await response.Content.ReadAsStringAsync();
int index = re.IndexOf("checkcode=\"");
if (index <= 0)
{
return;
}
string checkcode = "";
while (re[index + "checkcode=\"".Length] != '\"')
{
checkcode += re[index + "checkcode=\"".Length];
index++;
}
response = await client.GetAsync(new Uri("https://jfself.bjut.edu.cn/RandomCodeAction.action?randomNum=0.124"));
Dictionary <string, string> parameters = new Dictionary <string, string>();
parameters.Add("account", username);
parameters.Add("password", passowrd);
parameters.Add("checkcode", checkcode);
request = new HttpRequestMessage(HttpMethod.Post, new Uri("https://jfself.bjut.edu.cn/LoginAction.action"));
request.Content = new HttpFormUrlEncodedContent(parameters);
request.Headers["ContentType"] = "application/x-www-form-urlencoded";
await client.SendRequestAsync(request);
request.Dispose();
request = new HttpRequestMessage(HttpMethod.Get, new Uri("https://jfself.bjut.edu.cn/refreshaccount?t=1"));
request.Headers["XRequestedWith"] = "XMLHttpRequest";
response = await client.SendRequestAsync(request);
JsonObject json = JsonObject.Parse(await response.Content.ReadAsStringAsync());
TotalThroughputDigit = Convert.ToDouble(json["note"].GetObject()["leftFlow"].GetString());
Service = json["note"].GetObject()["service"].GetString();
CurrentUser = json["note"].GetObject()["welcome"].GetString();
}
catch
{
TotalThroughputDigit = 0;
service = "";
CurrentUser = "";
}
finally
{
if (response != null)
{
response.Dispose();
}
if (request != null)
{
request.Dispose();
}
if (client != null)
{
client.Dispose();
}
if (filter != null)
{
filter.Dispose();
}
}
}
//public static async Task<ReDataItem> GetItemAsync(string uniqueId)
//{
// //await _reDataSource.GetReDataAsync();
// await _reSearchDataSource.GetWebServiceDataAsync();
// // Simple linear search is acceptable for small data sets
// var matches = _reSearchDataSource.Groups.SelectMany(group => group.Items).Where((item) => item.UniqueId.Equals(uniqueId));
// if (matches.Count() == 1) return matches.First();
// return null;
//}
//private async Task GetReDataAsync()
//{
// if (this._groups.Count != 0)
// return;
// Uri dataUri = new Uri("ms-appx:///DataModel/ReData.json");
// StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri);
// string jsonText = await FileIO.ReadTextAsync(file);
// JsonObject jsonObject = JsonObject.Parse(jsonText);
// JsonArray jsonArray = jsonObject["Groups"].GetArray();
// foreach (JsonValue groupValue in jsonArray)
// {
// JsonObject groupObject = groupValue.GetObject();
// ReDataGroup group = new ReDataGroup(groupObject["UniqueId"].GetString(),
// groupObject["Title"].GetString());
// int index = 0;
// foreach (JsonValue itemValue in groupObject["Items"].GetArray())
// {
// JsonObject itemObject = itemValue.GetObject();
// string uniqueIdTmp = itemObject["UniqueId"].GetString();
// string titleTmp = itemObject["Title"].GetString();
// string subTitleTmp = itemObject["Subtitle"].GetString();
// string imagePathTmp = itemObject["ImagePath"].GetString();
// string descriptionTmp = itemObject["Description"].GetString();
// string playUrlTmp = itemObject["PlayUrl"].GetString();
// ReDataItem ri = new ReDataItem(index, uniqueIdTmp);
// group.Items.Add(ri);
// index++;
// }
// this.Groups.Add(group);
// }
//}
private async Task GetWebServiceSearchDataAsync(string key)
{
try
{
key = System.Net.WebUtility.UrlEncode(key);
string requstUrl = "http://replatform.cloudapp.net:8000/getsearch?v={0}&uuid={1}&type={2}&from={3}&to={4}";
requstUrl = String.Format(requstUrl, key, App.gDeviceName, App.gDeviceType, App.NavigationRoadmap.GetFrom(), App.NavigationRoadmap.GetTo());
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
filter.AutomaticDecompression = true;
HttpClient httpClient = new HttpClient(filter);
CancellationTokenSource cts = new CancellationTokenSource();
filter.CacheControl.ReadBehavior = HttpCacheReadBehavior.Default;
filter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.Default;
Uri resourceUri;
if (!Uri.TryCreate(requstUrl.Trim(), UriKind.Absolute, out resourceUri))
{
return;
}
HttpResponseMessage response = await httpClient.GetAsync(resourceUri).AsTask(cts.Token);
string jsonText = await Helpers.GetResultAsync(response, cts.Token);
GetSearchResultJsonData(jsonText);
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
}
catch(Exception) {}
}
public async Task Authenticate()
{
var selWifi = cbNetList.SelectedItem as Windows.Devices.WiFi.WiFiAvailableNetwork;
if (selWifi == null)
{
await new MessageDialog("选择的wifi型号参数不正确").ShowAsync();
return;
}
IDictionary <string, string> parameters = new Dictionary <string, string>();
switch (selWifi.Ssid)
{
case "bjut_wifi":
{
parameters.Clear();
parameters.Add("0MKKey", "123");
parameters.Add("DDDDD", user.UserInfo.UserName);
parameters.Add("upass", user.UserInfo.Password);
HttpClient httpClient = null;
HttpRequestMessage request = null;
HttpFormUrlEncodedContent postData = null;
HttpResponseMessage response = null;
try
{
httpClient = new HttpClient();
response = await httpClient.GetAsync(new Uri("http://wlgn.bjut.edu.cn/"));
string responseString = await response.Content.ReadAsStringAsync();
if (response.StatusCode == HttpStatusCode.Ok)
{
if (responseString.Contains("url4"))
{
await new MessageDialog("已经认证成功").ShowAsync();
Frame.Navigate(typeof(MainPage));
Frame.Navigate(typeof(Login));
}
else
{
string posturi = "http://wlgn.bjut.edu.cn/";
request = new HttpRequestMessage(HttpMethod.Post, new Uri(posturi));
postData = new HttpFormUrlEncodedContent(parameters);
request.Content = postData;
response = await httpClient.SendRequestAsync(request);
responseString = await response.Content.ReadAsStringAsync();
if (response.StatusCode == HttpStatusCode.Ok)
{
#region 针对其他认证方式的结果判断逻辑
if (responseString.Contains("url4") || responseString.Contains("注销"))
{
await new MessageDialog("认证成功").ShowAsync();
Frame.Navigate(typeof(MainPage));
Frame.Navigate(typeof(Login));
}
else
{
int statusCode;
string flagString = "Msg=";
string status = string.Empty;
int index = responseString.IndexOf(flagString);
for (int i = index + flagString.Length + 1; i < 10; i++)
{
var t = responseString[i];
if (t != ';')
{
status += t;
}
else
{
break;
}
}
statusCode = int.Parse(status);
if (statusCode == 1)
{
await new MessageDialog("账号或密码不对，请重新输入").ShowAsync();
}
else if (statusCode == 2)
{
await new MessageDialog("该账号正在使用中，请您与网管联系").ShowAsync();
}
else if (statusCode == 3)
{
await new MessageDialog("用户名无效，可能已从本系统注销").ShowAsync();
}
else if (statusCode == 4)
{
await new MessageDialog("本账号费用超支或时长流量超过限制").ShowAsync();
}
else if (statusCode == 5)
{
await new MessageDialog("本账号暂停使用").ShowAsync();
}
else if (statusCode == 15)
{
await new MessageDialog("登录成功").ShowAsync();
}
}
#endregion
}
else
{
await new MessageDialog(response.StatusCode.ToString()).ShowAsync();
}
}
}
else
{
await new MessageDialog("网络异常").ShowAsync();
}
}
catch (Exception ex)
{
await new MessageDialog(ex.Message).ShowAsync();
}
finally
{
if (httpClient != null)
{
httpClient.Dispose();
}
if (request != null)
{
request.Dispose();
}
;
if (postData != null)
{
postData.Dispose();
}
if (response != null)
{
response.Dispose();
}
}
}
break;
case "Tushuguan":
{
HttpStringContent httpStringContent = new HttpStringContent(
"PtUser="******"&PtPwd=" + user.UserInfo.Password
+ "&PtButton=%B5%C7%C2%BC");
HttpBaseProtocolFilter filter = null;
HttpClient httpClient = null;
HttpRequestMessage request = null;
HttpFormUrlEncodedContent postData = null;
HttpResponseMessage response = null;
try
{
httpClient = new HttpClient();
string posturi = "http://172.24.39.253/portal/logon.cgi";
request = new HttpRequestMessage(HttpMethod.Post, new Uri(posturi));
request.Content = httpStringContent;
response = await httpClient.SendRequestAsync(request);
string responseString = await response.Content.ReadAsStringAsync();
//获取cookie
filter = new HttpBaseProtocolFilter();
HttpCookieCollection cookieCollection = filter.CookieManager.GetCookies(new Uri(posturi));
//设置cookie
foreach (HttpCookie item in cookieCollection)
{
filter.CookieManager.SetCookie(item, false);
}
request.Dispose();
request = new HttpRequestMessage(HttpMethod.Get, new Uri("http://172.24.39.253/portal/logon.htm"));
response = await httpClient.SendRequestAsync(request);
if (response.StatusCode == HttpStatusCode.Ok)
{
if (responseString.Contains("value='Logoff'"))
{
await new MessageDialog("认证成功").ShowAsync();
Frame.Navigate(typeof(MainPage));
Frame.Navigate(typeof(Login));
}
else if (responseString.Contains("pt_unload()"))
{
await new MessageDialog("已登录 ").ShowAsync();
}
else
{
await new MessageDialog("认证失败，请检查用户名或密码").ShowAsync();
}
}
else
{
await new MessageDialog(response.StatusCode.ToString()).ShowAsync();
}
}
catch (Exception ex)
{
await new MessageDialog("wifi连接可能未就绪，请稍后重试").ShowAsync();
}
finally
{
if (httpClient != null)
{
httpClient.Dispose();
}
if (request != null)
{
request.Dispose();
}
;
if (postData != null)
{
postData.Dispose();
}
if (response != null)
{
response.Dispose();
}
if (filter != null)
{
filter.Dispose();
}
}
}
break;
default:
break;
}
}
private async Task GetWebServiceDataAsync()
{
try
{
string requestUrl = "http://replatform.cloudapp.net:8000/getguess/?uuid={0}&type={1}&page={2}&from={3}&to={4}&r={5}";
//string requestUrl = "http://192.168.1.215:9999/getguess/?uuid={0}&page={1}";
string userid = App.gDeviceName;
string type = App.gDeviceType;
Random random = new Random();
int page = defaultPageValue;//random.Next(iMinInclusivePageValue, iMaxExclusivePageValue);
int r = random.Next();
requestUrl = String.Format(requestUrl, userid, type, page, App.NavigationRoadmap.GetFrom(), App.NavigationRoadmap.GetTo(), r);
HttpBaseProtocolFilter filter = new HttpBaseProtocolFilter();
filter.AutomaticDecompression = true;
HttpClient httpClient = new HttpClient(filter);
CancellationTokenSource cts = new CancellationTokenSource();
filter.CacheControl.ReadBehavior = HttpCacheReadBehavior.Default;
filter.CacheControl.WriteBehavior = HttpCacheWriteBehavior.Default;
Uri resourceUri;
if (!Uri.TryCreate(requestUrl.Trim(), UriKind.Absolute, out resourceUri))
{
return;
}
HttpResponseMessage response = await httpClient.GetAsync(resourceUri).AsTask(cts.Token);
string jsonText = await Helpers.GetResultAsync(response, cts.Token);
GetResultJsonData(jsonText);
if (filter != null)
{
filter.Dispose();
filter = null;
}
if (httpClient != null)
{
httpClient.Dispose();
httpClient = null;
}
if (cts != null)
{
cts.Dispose();
cts = null;
}
}
catch(Exception) {}
}