| Min version | Vista | Vista SP1 | |
|---|---|---|---|
| Max version | 10 TH2 | ||
| Architecture | x86 | x64 | |
| x86 offset offset:bitpos | Field Name | x64 offset offset:bitpos | |
| 0x0000 | unsigned long Size | 0x0000 | |
| 0x0004 | unsigned long ThreadPriority | 0x0004 | |
| 0x0008 | unsigned long PagePriority | 0x0008 | |
| 0x000C | enum _IO_PRIORITY_HINT IoPriority | 0x000C | |