HRESULT XGameUiShowPlayerPickerAsync(  
         XAsyncBlock* async,  
         XUserHandle requestingUser,  
         const char* promptText,  
         uint32_t selectFromPlayersCount,  
         const uint64_t* selectFromPlayers,  
         uint32_t preSelectedPlayersCount,  
         const uint64_t* preSelectedPlayers,  
         uint32_t minSelectionCount,  
         uint32_t maxSelectionCount  
)