Interop.Windows.Sni.SqlAsyncCallbackDelegate sealed delegate SqlAsyncCallbackDelegate : MulticastDelegate Documentation Code public SqlAsyncCallbackDelegate(object object, IntPtr method) public virtual IAsyncResult BeginInvoke(IntPtr m_ConsKey, IntPtr pPacket, uint dwError, AsyncCallback callback, object object) public virtual void EndInvoke(IAsyncResult result) public virtual void Invoke(IntPtr m_ConsKey, IntPtr pPacket, uint dwError)