3.1.5.18 DPSP_MSG_PLAYERNAMECHANGED
When a DirectPlay client receives a DPSP_MSG_PLAYERNAMECHANGED (section 2.2.46) message, it MUST look up the specified PlayerID in the Player List using the information contained in the message and update the name associated with the player. The DirectPlay client SHOULD inform any higher-level entity of the arrival of this message.