public void AddProgressCallback(object callback, SynchronizationContext syncContext) { var newCallback = new CallbackData(callback, syncContext); if (_progressCallback1.Callback == null) { _progressCallback1 = newCallback; return; } if (_progressCallbacks == null) { _progressCallbacks = new List <CallbackData>() { newCallback }; } else { _progressCallbacks.Add(newCallback); } }
public void AddCompletionCallback(object callback, SynchronizationContext syncContext) { Debug.Assert(callback != null); var newCallback = new CallbackData(callback, syncContext); if (_completionCallback1.Callback == null) { _completionCallback1 = newCallback; return; } if (_completionCallback2.Callback == null) { _completionCallback2 = newCallback; return; } if (_completionCallback3.Callback == null) { _completionCallback3 = newCallback; return; } if (_completionCallbacks == null) { _completionCallbacks = new List <CallbackData>() { newCallback }; } else { _completionCallbacks.Add(newCallback); } }
public CallbackCollection(IAsyncOperation op, object callback, SynchronizationContext syncContext) { _op = op; _completionCallback1 = new CallbackData(callback, syncContext); }