/// <summary>
/// Schedules the continuation onto the <see cref="Task"/> associated with this <see cref="TaskAwaiter"/>.
/// </summary>
/// <param name="task">The awaited task.</param>
/// <param name="continuation">The action to invoke when the await operation completes.</param>
/// <param name="continueOnCapturedContext">Whether to capture and marshal back to the current context.</param>
/// <exception cref="ArgumentNullException">
/// If <paramref name="continuation"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="NullReferenceException">The awaiter was not properly initialized.</exception>
/// <remarks>This method is intended for compiler user rather than use directly in code.</remarks>
internal static void OnCompletedInternal(Task task, Action continuation, bool continueOnCapturedContext)
{
if (continuation == null)
{
throw new ArgumentNullException("continuation");
}
SynchronizationContext sc = continueOnCapturedContext ? SynchronizationContext.Current : null;
if (sc != null && sc.GetType() != typeof(SynchronizationContext))
{
task.ContinueWith(param0 =>
{
try
{
sc.Post(state => ((Action)state).Invoke(), continuation);
}
catch (Exception exception)
{
AsyncServices.ThrowAsync(exception, null);
}
});//, CancellationToken.None);, TaskContinuationOptions.ExecuteSynchronously, TaskScheduler.Default);
return;
}
TaskScheduler taskScheduler = Task.DefaultScheduler;
if (task.IsCompleted)
{
//Task.Factory.StartNew(s => ((Action)s).Invoke(), continuation, CancellationToken.None, TaskCreationOptions.None, taskScheduler);
continuation();
return;
}
//if (taskScheduler != TaskScheduler.Default)
//{
// task.ContinueWith(_ => RunNoException(continuation), CancellationToken.None, TaskContinuationOptions.ExecuteSynchronously, taskScheduler);
// return;
//}
task.ContinueWith(param0 =>
{
if (IsValidLocationForInlining)
{
RunNoException(continuation);
return;
}
//Task.Factory.StartNew(s => RunNoException((Action)s), continuation, CancellationToken.None, TaskCreationOptions.None, TaskScheduler.Default);
continuation();
});//, CancellationToken.None, TaskContinuationOptions.ExecuteSynchronously, TaskScheduler.Default);
}