كود :
Dim Stopwatch As Stopwatch
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Stopwatch = Stopwatch.StartNew()
Stopwatch.Reset()
Label1.Text = "00-00:00:00.000"
Button1.Text = "بدء"
Button2.Text = "توقف"
Button3.Text = "إعادة"
Timer1.Interval = 1
End Sub
' Start() البدء
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Stopwatch.Start()
End Sub
' Pause() التوقف المؤقت
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Stopwatch.Stop()
End Sub
' Reset() الإعادة
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Stopwatch.Reset()
Dim elapsedTime As String = String.Format("{0:00}-{1:00}:{2:00}:{3:00}.{4:000}", 0, 0, 0, 0, 0)
Me.Label1.Text = elapsedTime
End Sub
' Tick العملية
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
If Stopwatch IsNot Nothing AndAlso Stopwatch.IsRunning Then
Dim ts As TimeSpan = Stopwatch.Elapsed
Dim elapsedTime As String = String.Format("{0:00}-{1:00}:{2:00}:{3:00}.{4:000}", ts.Days, ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds)
Me.Label1.Text = elapsedTime
End If
End Sub
