XblMultiplayerAddSessionChangedHandler
Registers an event handler for notifications when a multiplayer session changes. If the RTA subscription has not been explicitly enabled with XblMultiplayerSetSubscriptionsEnabled, adding session changed handlers will enable it automatically. Use the returned XblFunctionContext to unregister the handler.Syntax
Parameters
xblContext _In_Type: XblContextHandle XBOX live context for the local user. handler _In_
Type: XblMultiplayerSessionChangedHandler* The callback function that receives notifications. context _In_opt_
Type: void* Caller context to be passed the handler.