public static int Decode_Application_Data(ref Byte[] apdu, uint max_apdu_len, ref BACNET_APPLICATION_DATA_VALUE value, int pos)
{
int len = 0;
int tag_len = 0;
int decode_len = 0;
Byte tag_number = 0;
UInt32 len_value_type = 0;
// if (apdu && value && !IS_CONTEXT_SPECIFIC(*apdu))
value.context_specific = false;
tag_len = BasicalProcessor.Decode_Tag_number_and_Value(ref apdu, ref tag_number, ref len_value_type, pos);
len += tag_len;
value.tag = tag_number;
decode_len = BasicalProcessor.Decode_Data(ref apdu, tag_number, len_value_type, ref value, pos + len);
// if (value->tag != MAX_BACNET_APPLICATION_TAG)
len += decode_len;
value.next = null;
return(len);
}