private void SocketElevate()
{
if (!IsConnected)
{
return;
}
_elevateMutex.Reset();
if (_socketReader != null)
{
_socketReader.Cancel();
}
// Wait for other reads to finish
if (_socketWriter != null && _socketWriter.Status == AsyncStatus.Started)
{
try
{
_socketWriter.AsTask().Wait(4000);
}
catch
{
if (_socketWriter.Status == AsyncStatus.Started)
{
ConnectionError(ErrorType.WriteStateMismatch, ErrorPolicyType.Reconnect);
return;
}
}
}
_socketElevator = _socket.UpgradeToSslAsync(SocketProtectionLevel.SslAllowNullEncryption, _hostname);
_socketElevator.Completed = OnSocketElevatorCompleted;
}
private void CleanupState()
{
IsConnected = false;
_manager.ProcessComplete.Set();
_elevateMutex.Set();
_manager.Parser.Clear();
if (_socketConnector != null)
{
_socketConnector.Cancel();
}
if (_socketElevator != null)
{
_socketElevator.Cancel();
}
if (_socketReader != null)
{
_socketReader.Cancel();
}
if (_socketWriter != null)
{
_socketWriter.Cancel();
}
_socket.Dispose();
}
private void ResetRequest()
{
if (sendRequestOperation != null)
{
sendRequestOperation.Cancel();
sendRequestOperation = null;
}
if (readAsInputStreamOperation != null)
{
readAsInputStreamOperation.Cancel();
readAsInputStreamOperation = null;
}
if (readOperation != null)
{
readOperation.Cancel();
readOperation = null;
}
if (inputStream != null)
{
inputStream.Dispose();
inputStream = null;
}
if (httpRequest != null)
{
httpRequest.Dispose();
httpRequest = null;
}
}
public void CancelUpload()
{
if (UploadOperation.Status == AsyncStatus.Started)
{
UploadOperation.Cancel();
}
}
/// <summary>
/// Cancel the transcode
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnCancel(object sender, RoutedEventArgs e)
{
if (_operation != null && _operation.Status == AsyncStatus.Started)
{
CancelButton.IsEnabled = false;
_operation.Cancel();
}
}
public void CancelDownload()
{
if (Finished)
{
return;
}
DownloadOperation.Cancel();
}
public override void Dispose()
{
if (_status == BackgroundDownloadStatus.Downloading)
{
_cancelSource.Cancel();
if (_downloadOperation != null)
{
_downloadOperation.Cancel();
}
}
base.Dispose();
}
private void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
args.Cancel = true;
if (PrimaryButtonText == "开始")
{
Start();
}
else
{
operationWithProgress.Cancel();
PrimaryButtonText = "开始";
}
}
private void Cancel_Click(object sender, RoutedEventArgs e)
{
try
{
// Stop any in-process transfer
_transferOperation.Cancel();
Cancel.IsEnabled = false;
}
catch
{
// don't bomb out on a cancel op
Analytics.LogEvent(AnalyticsEvent.TransferCancelError);
}
}
public static R WaitResult <R, P>(this IAsyncOperationWithProgress <R, P> token, int t) where R : class
{
Task.Run(async() => {
await Task.Delay(t);
if (token.Status == AsyncStatus.Completed)
{
return;
}
token.Cancel();
});
return(Task.Run(async() => {
var c = await token;
return c;
}).GetAwaiter().GetResult());
// token.AsTask().GetAwaiter().GetResult() ;//.AsTask().GetAwaiter();
}
private void CancelButton_Click(object sender, RoutedEventArgs e)
{
_renderTask?.Cancel();
}