/// <summary> /// Method to query information for a message. /// </summary> /// <param name="info_class">The information class.</param> /// <param name="port">The port which has processed the message.</param> /// <param name="buffer">The buffer to return data in.</param> /// <param name="return_length">Return length from the query.</param> /// <returns>The NT status code for the query.</returns> public NtStatus QueryInformation(NtAlpc port, AlpcMessageInformationClass info_class, SafeBuffer buffer, out int return_length) { if (_port == null) { throw new ArgumentNullException("Message must be associated with a port"); } return(NtSystemCalls.NtAlpcQueryInformationMessage(port.Handle, Header, info_class, buffer, buffer.GetLength(), out return_length)); }