Class Stopwatch

Provides a set of methods and properties that you can use to accurately measure elapsed time.

Inheritance

Object

Stopwatch

Inherited Members

Object.ToString()

Object.Equals(Object)

Object.Equals(Object, Object)

Object.ReferenceEquals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Namespace: System.Diagnostics

Assembly: System.Diagnostics.Stopwatch.dll

Syntax

public class Stopwatch

Fields

Frequency

Gets the frequency of the timer as the number of ticks per second. This field is read-only.

Declaration

public static readonly long Frequency

Field Value

Type	Description
Int64

IsHighResolution

Indicates whether the timer is based on a high-resolution performance counter. This field is read-only.

Declaration

public static readonly bool IsHighResolution

Field Value

Type	Description
Boolean

Properties

Elapsed

Gets the total elapsed time measured by the current instance.

Declaration

public TimeSpan Elapsed { get; }

Property Value

Type	Description
TimeSpan

ElapsedMilliseconds

Gets the total elapsed time measured by the current instance, in milliseconds.

Declaration

public long ElapsedMilliseconds { get; }

Property Value

Type	Description
Int64

ElapsedTicks

Gets the total elapsed time measured by the current instance, in timer ticks.

Declaration

public long ElapsedTicks { get; }

Property Value

Type	Description
Int64

IsRunning

Gets a value indicating whether the System.Diagnostics.Stopwatch timer is running.

Declaration

public bool IsRunning { get; }

Property Value

Type	Description
Boolean

Methods

GetTimestamp()

Gets the current number of ticks in the timer mechanism.

Declaration

public static long GetTimestamp()

Returns

Type	Description
Int64	Number of ticks.

Reset()

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

Declaration

public void Reset()

Restart()

Stops time interval measurement, resets the elapsed time to zero, and starts measuring elapsed time.

Declaration

public void Restart()

Start()

Starts, or resumes, measuring elapsed time for an interval.

Declaration

public void Start()

StartNew()

Initializes a new System.Diagnostics.Stopwatch instance, sets the elapsed time property to zero, and starts measuring elapsed time.

Declaration

public static Stopwatch StartNew()

Returns

Type	Description
Stopwatch	A System.Diagnostics.Stopwatch that has just begun measuring elapsed time.

Stop()

Stops measuring elapsed time for an interval.

Declaration

public void Stop()