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);
}
