System.Threading.IOCompletionCallback public sealed delegate IOCompletionCallback : MulticastDelegate Documentation public IOCompletionCallback(object object, IntPtr method) public virtual IAsyncResult BeginInvoke(uint errorCode, uint numBytes, NativeOverlapped* pOVERLAP, AsyncCallback callback, object object) public virtual void EndInvoke(IAsyncResult result) public virtual void Invoke(uint errorCode, uint numBytes, NativeOverlapped* pOVERLAP)