ElapsedEventArgs Class
.NET Framework 3.0
Provides data for the Timer.Elapsed event.
Namespace: System.Timers
Assembly: System (in system.dll)
Assembly: System (in system.dll)
The following code example sets up an event handler for the Timer.Elapsed event, creates a timer, and starts the timer. The event handler displays the SignalTime property each time it is raised.
Imports System Imports System.Timers Public Class Timer1 Public Shared Sub Main() ' Normally, the timer is declared at the class level, so ' that it doesn't go out of scope when the method ends. ' In this example, the timer is needed only while Main ' is executing. However, KeepAlive must be used at the ' end of Main, to prevent the JIT compiler from allowing ' aggressive garbage collection to occur before Main ' ends. Dim aTimer As New System.Timers.Timer() ' Hook up the Elapsed event for the timer. AddHandler aTimer.Elapsed, AddressOf OnTimedEvent ' Set the Interval to 2 seconds (2000 milliseconds). aTimer.Interval = 2000 aTimer.Enabled = True Console.WriteLine("Press the Enter key to exit the program.") Console.ReadLine() ' Keep the timer alive until the end of Main. GC.KeepAlive(aTimer) End Sub ' Specify what you want to happen when the Elapsed event is ' raised. Private Shared Sub OnTimedEvent(source As Object, e As ElapsedEventArgs) Console.WriteLine("Hello World!") End Sub End Class
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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