/// <summary>
/// 异步回调一次完成通知
/// </summary>
/// <param name="ar"></param>
private void ReceiveTakesCompletedOnce(IAsyncResult ar)
{
if (ar == null)
{
throw new ArgumentNullException("ar");
}
ReceiveTakesAWhileDelegate d1 = ar.AsyncState as ReceiveTakesAWhileDelegate;
if (m_IsOpen)
{
Trace.Assert(d1 != null, "Invalid object type");
d1.BeginInvoke(ReceiveTakesCompletedOnce, d1); //再次回调
}
else
{
d1.EndInvoke(ar);
}
}
private void InitCallback()
{
ReceiveTakesAWhileDelegate receiveAsyncTask = ReceiveCanDatas;
receiveAsyncTask.BeginInvoke(ReceiveTakesCompletedOnce, receiveAsyncTask);
}
