.NET Framework Class Library
Stopwatch..::.Reset Method

Stops time interval measurement and resets the elapsed time to zero.

Namespace:  System.Diagnostics
Assembly:  System (in System.dll)
Syntax

Visual Basic (Declaration)
Public Sub Reset
Visual Basic (Usage)
Dim instance As Stopwatch

instance.Reset()
C#
public void Reset()
Visual C++
public:
void Reset()
JScript
public function Reset()
Remarks

A Stopwatch instance calculates and retains the cumulative elapsed time across multiple time intervals, until the instance is reset. Use Reset to stop any current interval measurement in progress and clear the elapsed time value. Use Stop to stop the current interval measurement and retain the cumulative elapsed time value.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0

.NET Compact Framework

Supported in: 3.5

XNA Framework

Supported in: 3.0, 2.0, 1.0
See Also

Reference

Tags :


Community Content

Thomas Lee
Sample showing Reset Method - written in PowerShell
<#
.SYNOPSIS
    This script displays the use of the Reset method in a StopWatch object.
.DESCRIPTION
    This script calls the StartNew static method to create and start a new 
    stopwatch object, and displays the current values for the stop watch. The 
    stopwatch is then reset using the Reset method, then the current values are displayed.  At completion,
    the stopwatch is stopped and all counters are zero.
.NOTES
    File Name  : Clear-Stopwatch.ps1
    Author     : Thomas Lee - tfl@psp.co.uk
    Requires   : PowerShell V2 CTP3
.LINK
    This script posted to:
     http://www.pshscripts.blogspot.com
    MSDN Sample posted at:
     http://msdn.microsoft.com/en-us/library/system.diagnostics.stopwatch.reset.aspx
.EXAMPLE
    PSH [C:\foo]: .\Clear-Stopwatch.ps1
    StopWatch object before reset:
    IsRunning           : True
    Elapsed             : 00:00:00.0039085
    ElapsedMilliseconds : 3
    ElapsedTicks        : 57153
 StopWatch object after reset:
    IsRunning           : False
    Elapsed             : 00:00:00
    ElapsedMilliseconds : 0
    ElapsedTicks        : 0
#>
  
##
#  Begin script
##
# Create a stop watch object and auto start it
$sw = [system.Diagnostics.Stopwatch]::StartNew()
  
# Now get current elapsed time:
"StopWatch object before reset:"
$sw | fl *
  
# Now reset
$sw.reset()
  
# Observe Results
"StopWatch object after reset:"
$sw | fl *
# End script

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