structure to byte array in c#

[swts]

hi,
i need to know if there s a mechanism to convert structure into a byte array.
i have a structure that has 4 byte arrays. i need to transmit this across using socket connection,can i convert this into byte array prior to transmission??. each of these structures go into the payload of each packet.kindly help

[Plater]

Supposidly Marshalling can do it for you (Marshal by Reference).
Me? I usually just do it manually, converting everything to bytes.