Syntax
Parameters
context   _In_opt_Type: void* Optional pointer to data used by the event handler. operation   _In_
Type: XblClientOperationHandle The handle for this operation. user   _In_
Type: XblUserHandle The user for which the data is being written. mode   _In_
Type: XblLocalStorageWriteMode The mode to be used for the write operation. key   _In_z_
Type: char Identifies the data being written. dataSize   _In_
Type: size_t The size (in bytes) of the data. data   _In_reads_bytes_(dataSize)
Type: void The data to write.
