Perhaps, but one should consider that GetSystemTime promises 1ms resolution and delivers 10-15ms (and, IIRC, that GetSystemTimeAsFileTime promises 250ns resolution).
The Platform SDK states that the tickcount (GetTickCount) is updated every 10ms on NT3.51 and hight so I guess that GetSystemTime is updated at this interval also.
FileTimes are measured in 100 nanosecond intervals since 1 January, 1601, but are you sure that GetSystemTimeAsFileTime will return a value that is updated at 250ns intervals? I can't find anything in the SDK to say what the update interval is for the SystemTime, I'm just guessing that it is updated when the tick count is.
Cheers
Russell
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