Stopwatch.ElapsedTicks Property

Definition

Namespace:

System.Diagnostics

Assembly:

System.Runtime.dll

Source:

Stopwatch.cs

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

public:
 property long ElapsedTicks { long get(); };

public long ElapsedTicks { get; }

member this.ElapsedTicks : int64

Public ReadOnly Property ElapsedTicks As Long

Property Value

Int64

A read-only long integer representing the total number of timer ticks measured by the current instance.

Examples

The following example uses the Stopwatch class to measure the performance of four different implementations for parsing an integer from a string. This code example is part of a larger example provided for the Stopwatch class.

Int64 ticksThisTime = 0;
int inputNum;
Stopwatch ^ timePerParse;
switch ( operation )
{
   case 0:
      
      // Parse a valid integer using
      // a try-catch statement.
      // Start a new stopwatch timer.
      timePerParse = Stopwatch::StartNew();
      try
      {
         inputNum = Int32::Parse( "0" );
      }
      catch ( FormatException^ ) 
      {
         inputNum = 0;
      }

      // Stop the timer, and save the
      // elapsed ticks for the operation.
      timePerParse->Stop();
      ticksThisTime = timePerParse->ElapsedTicks;
      break;

   case 1:
      
      // Parse a valid integer using
      // the TryParse statement.
      // Start a new stopwatch timer.
      timePerParse = Stopwatch::StartNew();
      if (  !Int32::TryParse( "0", inputNum ) )
      {
         inputNum = 0;
      }
      
      // Stop the timer, and save the
      // elapsed ticks for the operation.
      timePerParse->Stop();
      ticksThisTime = timePerParse->ElapsedTicks;
      break;

   case 2:
      
      // Parse an invalid value using
      // a try-catch statement.
      // Start a new stopwatch timer.
      timePerParse = Stopwatch::StartNew();
      try
      {
         inputNum = Int32::Parse( "a" );
      }
      catch ( FormatException^ ) 
      {
         inputNum = 0;
      }

      // Stop the timer, and save the
      // elapsed ticks for the operation.
      timePerParse->Stop();
      ticksThisTime = timePerParse->ElapsedTicks;
      break;

   case 3:
      
      // Parse an invalid value using
      // the TryParse statement.
      // Start a new stopwatch timer.
      timePerParse = Stopwatch::StartNew();
      if (  !Int32::TryParse( "a", inputNum ) )
      {
         inputNum = 0;
      }
      
      // Stop the timer, and save the
      // elapsed ticks for the operation.
      timePerParse->Stop();
      ticksThisTime = timePerParse->ElapsedTicks;
      break;

   default:
      break;
}

long ticksThisTime = 0;
int inputNum;
Stopwatch timePerParse;

switch (operation)
{
    case 0:
        // Parse a valid integer using
        // a try-catch statement.

        // Start a new stopwatch timer.
        timePerParse = Stopwatch.StartNew();

        try
        {
            inputNum = Int32.Parse("0");
        }
        catch (FormatException)
        {
            inputNum = 0;
        }

        // Stop the timer, and save the
        // elapsed ticks for the operation.

        timePerParse.Stop();
        ticksThisTime = timePerParse.ElapsedTicks;
        break;
    case 1:
        // Parse a valid integer using
        // the TryParse statement.

        // Start a new stopwatch timer.
        timePerParse = Stopwatch.StartNew();

        if (!Int32.TryParse("0", out inputNum))
        {
            inputNum = 0;
        }

        // Stop the timer, and save the
        // elapsed ticks for the operation.
        timePerParse.Stop();
        ticksThisTime = timePerParse.ElapsedTicks;
        break;
    case 2:
        // Parse an invalid value using
        // a try-catch statement.

        // Start a new stopwatch timer.
        timePerParse = Stopwatch.StartNew();

        try
        {
            inputNum = Int32.Parse("a");
        }
        catch (FormatException)
        {
            inputNum = 0;
        }

        // Stop the timer, and save the
        // elapsed ticks for the operation.
        timePerParse.Stop();
        ticksThisTime = timePerParse.ElapsedTicks;
        break;
    case 3:
        // Parse an invalid value using
        // the TryParse statement.

        // Start a new stopwatch timer.
        timePerParse = Stopwatch.StartNew();

        if (!Int32.TryParse("a", out inputNum))
        {
            inputNum = 0;
        }

        // Stop the timer, and save the
        // elapsed ticks for the operation.
        timePerParse.Stop();
        ticksThisTime = timePerParse.ElapsedTicks;
        break;

    default:
        break;
}

Dim ticksThisTime As Long = 0
Dim inputNum As Integer
Dim timePerParse As Stopwatch

Select Case operation
   Case 0
      ' Parse a valid integer using
      ' a try-catch statement.
      ' Start a new stopwatch timer.
      timePerParse = Stopwatch.StartNew()
      
      Try
         inputNum = Int32.Parse("0")
      Catch e As FormatException
         inputNum = 0
      End Try
      
      ' Stop the timer, and save the
      ' elapsed ticks for the operation.
      timePerParse.Stop()
      ticksThisTime = timePerParse.ElapsedTicks
   Case 1
      ' Parse a valid integer using
      ' the TryParse statement.
      ' Start a new stopwatch timer.
      timePerParse = Stopwatch.StartNew()
      
      If Not Int32.TryParse("0", inputNum) Then
         inputNum = 0
      End If
      
      ' Stop the timer, and save the
      ' elapsed ticks for the operation.
      timePerParse.Stop()
      ticksThisTime = timePerParse.ElapsedTicks
   Case 2
      ' Parse an invalid value using
      ' a try-catch statement.
      ' Start a new stopwatch timer.
      timePerParse = Stopwatch.StartNew()
      
      Try
         inputNum = Int32.Parse("a")
      Catch e As FormatException
         inputNum = 0
      End Try
      
      ' Stop the timer, and save the
      ' elapsed ticks for the operation.
      timePerParse.Stop()
      ticksThisTime = timePerParse.ElapsedTicks
   Case 3
      ' Parse an invalid value using
      ' the TryParse statement.
      ' Start a new stopwatch timer.
      timePerParse = Stopwatch.StartNew()
      
      If Not Int32.TryParse("a", inputNum) Then
         inputNum = 0
      End If
      
      ' Stop the timer, and save the
      ' elapsed ticks for the operation.
      timePerParse.Stop()
      ticksThisTime = timePerParse.ElapsedTicks
   
   Case Else
End Select

Remarks

This property represents the number of elapsed ticks in the underlying timer mechanism. A tick is the smallest unit of time that the Stopwatch timer can measure. Use the Frequency field to convert the ElapsedTicks value into a number of seconds.

You can query the properties Elapsed, ElapsedMilliseconds, and ElapsedTicks while the Stopwatch instance is running or stopped. The elapsed time properties steadily increase while the Stopwatch is running; they remain constant when the instance is stopped.

By default, the elapsed time value of a Stopwatch instance equals the total of all measured time intervals. Each call to Start begins counting at the cumulative elapsed time; each call to Stop ends the current interval measurement and freezes the cumulative elapsed time value. Use the Reset method to clear the cumulative elapsed time in an existing Stopwatch instance.

Note

Stopwatch ticks are different from DateTime.Ticks. Each tick in the DateTime.Ticks value represents one 100-nanosecond interval. Each tick in the ElapsedTicks value represents the time interval equal to 1 second divided by the Frequency.

See also

• Elapsed
• ElapsedMilliseconds
• Frequency