## System Messages

Some system message structures have changed for DirectPlay 5, with new data members added to the end. Make sure you only reference these new members if you are using the IDirectPlay3 interface.

The system message structures that have new members for DirectPlay 5 are:

Structure | New Members
DPMSG_CREATEPLAYERORGROUP | DPID dpIdParent
| DWORD dwFlags
DPMSG_DESTROYPLAYERORGROUP | DPNAME dpnName
| DPID dpIdParent
| DWORD dwFlags

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