如何使用我的代码减少GUI延迟？示例欢迎

问题描述

Public Class Form1

    Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load

    End Sub
    Private Sub Timer1_Tick(sender As Object, e As EventArgs) Handles Timer1.Tick
        Dim ip = "www.google.com"
        Dim timeout = 1000
        Dim sw = New Stopwatch()
        Try
            Dim ping As Long = -1
            sw.Start()
            If My.Computer.Network.Ping(ip, timeout) Then
                sw.Stop()
                ping = sw.ElapsedMilliseconds

            End If
            If ping < 0 Then
                Label2.Text = "Timed Out"
                Label2.BackColor = Color.Brown
                Label2.ForeColor = Color.White

            ElseIf ping < 200 Then
                Label2.Text = "Good Connection"
                Label2.BackColor = Color.Green
            Else
                Label2.Text = "Bad Connection"
                Label2.BackColor = Color.Red
            End If
        Catch ex As Exception

            Label2.Text = ex.Message
            Label2.BackColor = Color.Red
            Console.WriteLine(ex.ToString())
        End Try
    End Sub
End Class

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