public async Task <ProgressResult <T> > Do <T>(Func <ProgressDialogController, T> function, string message, bool canCancel, bool throwErrors)
{
var cancellationTokenSource = new CancellationTokenSource();
var controller = await DialogCoordinator.Instance.ShowProgressAsync(dialogContext, "Please Wait", message, canCancel);
controller.SetIndeterminate();
var controllerCancel = Task.Factory.StartNew(delegate
{
while (true)
{
if (!controller.IsOpen)
{
break;
}
if (controller.IsCanceled)
{
break;
}
Thread.Sleep(100);
}
}, cancellationTokenSource.Token);
try
{
var functionTask = Task.Factory.StartNew(() => function.Invoke(controller), cancellationTokenSource.Token);
ProgressResult <T> result;
if (await Task.WhenAny(functionTask, controllerCancel) == controllerCancel)
{
cancellationTokenSource.Cancel();
result = ProgressResult.GetCancelled <T>();
}
else
{
if (functionTask.Status == TaskStatus.RanToCompletion)
{
result = ProgressResult.GetSuccess(functionTask.Result);
}
else
{
result = ProgressResult.GetErrored <T>();
if (throwErrors && functionTask.Exception != null)
{
ExceptionDispatchInfo.Capture(functionTask.Exception.InnerException).Throw();
}
}
}
return(result);
}
catch (Exception)
{
if (throwErrors)
{
throw;
}
return(ProgressResult.GetErrored <T>());
}
finally
{
cancellationTokenSource.Cancel();
if (controller != null)
{
await controller.CloseAsync();
}
}
}
public async Task <ProgressResult <T> > Do <T>(Func <ProgressDialogController, T> function, string message, bool canCancel, bool throwErrors)
{
var cancellationTokenSource = new CancellationTokenSource();
var controller = await modelHelpers.ShowIndeterminateProgressAsync("Please Wait", message, canCancel);
var controllerCancel = Task.Run(() =>
{
while (true)
{
if (!controller.IsOpen)
{
break;
}
if (controller.IsCanceled)
{
break;
}
Thread.Sleep(100);
}
}, cancellationTokenSource.Token);
try
{
var functionTask = Task.Run(() => function.Invoke(controller), cancellationTokenSource.Token);
ProgressResult <T> result;
if (await Task.WhenAny(functionTask, controllerCancel) == controllerCancel)
{
cancellationTokenSource.Cancel();
result = ProgressResult.GetCancelled <T>();
}
else
{
if (functionTask.Status == TaskStatus.RanToCompletion)
{
result = ProgressResult.GetSuccess(functionTask.Result);
}
else
{
result = ProgressResult.GetErrored <T>();
if (throwErrors && functionTask.Exception != null)
{
throw functionTask.Exception.InnerException ?? functionTask.Exception;
}
}
}
return(result);
}
catch (Exception ex)
{
if (throwErrors)
{
throw;
}
ExceptionlessClient.Default.CreateEvent().SetException(ex).AddTags("Maybe-Hidden").Submit();
return(ProgressResult.GetErrored <T>());
}
finally
{
cancellationTokenSource.Cancel();
if (controller.IsOpen)
{
await controller.CloseAsync();
}
}
}