private int Acknowledge_Alarm_Encode(ref Byte[] apdu, Byte invoke_id, ref ACKNOWLEDGE_ALARM_DATA Ack_data, int pos)
{
int len = 0; /* length of each encoding */
int apdu_len = 0;
apdu[pos + 0] = (byte)BACNET_PDU_TYPE.PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[pos + 1] = BasicalProcessor.Encode_MaxSegsandApdu(0, 1476);
apdu[pos + 2] = invoke_id;
apdu[pos + 3] = (byte)BACNET_CONFIRMED_SERVICE.SERVICE_CONFIRMED_ACKNOWLEDGE_ALARM;
apdu_len = 4;
/* tag 0 - processIdentifier */
len = BasicalProcessor.Encode_Context_Unsigned(ref apdu, 0, Ack_data.ProcessIdentifier, pos + apdu_len);
apdu_len += len;
/* tag 1 - eventObjectIdentifier */
len = BasicalProcessor.Encode_Context_ObjectId(ref apdu, 1, (int)Ack_data.EventIdentifier.type, Ack_data.EventIdentifier.instance, pos + apdu_len);
apdu_len += len;
/* tag 2 - toState */
len = BasicalProcessor.Encode_Context_Enumerate(ref apdu, 2, (uint)Ack_data.StateAcknowledged, apdu_len + pos);
apdu_len += len;
/* tag 3 - timeStamp */
len = BasicalProcessor.Encode_Context_Timestamp(ref apdu, 3, ref Ack_data.TimeStamp, pos + apdu_len);
apdu_len += len;
/* tag 4 - Acknowledgment Source */
len = BasicalProcessor.Encode_Context_Character_String(ref apdu, 4, ref Ack_data.Source, pos + apdu_len);
apdu_len += len;
/* tag 5- timeStamp */
len = BasicalProcessor.Encode_Context_Timestamp(ref apdu, 5, ref Ack_data.TimeOfAcknowledgment, pos + apdu_len);
apdu_len += len;
return(apdu_len);
}