| Min version | Vista | Vista SP1 | 8 Pre RTM | 8 | |
|---|---|---|---|---|---|
| Max version | 8 Pre RTM | 10 TH2 | |||
| Architecture | x86 | x64 | x86 | x64 | |
| x86 offset offset:bitpos | Field Name | x64 offset offset:bitpos | |||
| 0x0000 | volatile unsigned long TotalBlocks | unsigned long TotalBlocks | 0x0000 | ||
| 0x0000 | volatile int64_t Aggregate64 | int64_t Aggregate64 | 0x0000 | ||
| 0x0004 | volatile unsigned long SubSegmentCounts | unsigned long SubSegmentCounts | 0x0004 | ||