如何在VB.NET中使用循环启动秒表并在秒表结束时结束

你可以启动和停止秒表,然后像这样以毫秒为单位读出经过的时间。

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
    Dim sw As New Stopwatch
    sw.Start()
    Dim n As Integer = 0
    Do While n < 1001
        n += 1
        '(Contents of loop go here)
    Loop
    sw.Stop()
    lbl1.Text = sw.ElapsedMilliseconds.ToString
End Sub