hrCounter Property, read only, Kernel class

Description

Retrieves the current value of the high-resolution performance counter, if one exists.

Syntax

vhrCounter = Kernel.hrCounter

Returns

double

Remarks

This property uses QueryPerformanceCounter API function.

Examples

Kernel - Get exact consumed time of VBS function

  Dim Kernel, OldCounter
  Set Kernel = CreateObject("ScriptUtils.Kernel")

  'Get counter
  OldCounter = Kernel.hrCounter

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

  'Count number of microsecond
  Dim msTime
  msTime = 1000*(Kernel.hrCounter - OldCounter) 
  msTime =  msTime / Kernel.hrFrequency 

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

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.

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hrCounter