| Type | 0x00<br>0xFF | 0x100<br>0xFFFF | 0x10000<br>0x7FFFFFFF | 0x80000000<br>0xFFFFFFFF |
| --------------------- | ------------------:| ---------------:| ---------------------:| -------------------------:|
| ErrorCode | code ✔️ | code ✔️| ❌| ❌|
| HResult | HResult ✔️ | ✔️| HResult ✔️| HResult ✔️|
| HResultSuccess | HResult ✔️ | ✔️| HResult ✔️| ❌|
| HResultError | ❌ | ❌| ❌| HResult ✔️|
| NtStatus | ✔️ | ✔️| ✔️| ✔️|
| WaitCode | several holes ⚠️ | mostly not ⚠️| ❌| just 0xFFFFFFFF ⚠️|
| ErrorHResultOrCode | code (nonzero) ⚠️ | code ✔️| ❌| HResult ✔️|