hrTimeCounter

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          Property, read only 
          Member of  ScriptUtils.Kernel 

Description

Retrieves the current value of the high-resolution performance counter, if one exists. The value of counter is converted to time (divided by hrFrequency).

Syntax

vhrTimeCounter = Kernel.hrTimeCounter ([double as double = 1000.0])
 
Where Type Optional Default Description
 double  double  yes  1000.0  Multiplication factor. 1 means second, 1000 milisecond, ... 

Returns

double

Returns

Performance counter is returned as a number of milisecond.

Remarks

This property uses QueryPerformanceFrequency and QueryPerformanceCounter API functions.

Examples

 Kernel - Get exact duration of a VBS function using msPerformanceCounter  
  Dim Kernel, OldhrTimeCounter
  Set Kernel = CreateObject("ScriptUtils.Kernel")

  'Get counter
  OldhrTimeCounter = Kernel.hrTimeCounter

  'Some operation taking many time
  Dim Data, Parameter
  Parameter = "Some parameter"
  Data = CreateData(Parameter)

  'Count number of microsecond
  Dim msTime
  msTime = Kernel.hrTimeCounter - OldhrTimeCounter

  'Output results
  Wscript.Echo "CreateData takes " & msTime & " milisecond"

See also

Kernel.hrFrequency, Kernel.hrCounter
  Other links for hrTimeCounter

Methods of Kernel class

CloseHandle, CopyFile, CreateProcess, DeleteFile, GetFileSize, MoveFile, Sleep, SwitchToThread, WaitForSingleObject

Properties of Kernel class

CommandLine, ComputerName, CurrentDirectory, CurrentProcess, CurrentThread, EnvironmentStrings, EnvironmentVariables, hrCounter, hrFrequency, hrTimeCounter, TempPath, TickCount

ScriptUtils.Kernel

COM API for calling some of Kernel32 functions.

ScriptUtils

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© 1996 – 2008 Antonin Foller, Motobit Software, help{at}pstruh.cz, help v. 2.20.24