This command adds an unsigned long integer
to the specified packet. Typically unsigned long integers are 8 bytes
in size and range from
0 to 18446744073709551615.
The data will be added starting at the cursor position and the cursor will be moved forward by the size of the data added.
long long int Packet: This is the packet that the command should use.
unsigned long: This is the data to be added.
0 if no error occurred.
-1 if an error occurred.
.Net