在 vb 中使用定时器 [英] Using timers in vb

问题描述

我不明白如何在 vb.net 中使用计时器我想制作一个简单的程序，当我按下按钮时，计时器启动，标签每秒更改一次，直到 60 秒过去.我想我应该把它放在按钮事件中

I do not understand how to utilize the timers in vb.net I want to make a simple program where when I press a button the timer starts and the label changes it's number every second until 60 seconds have passed. I think I should put this in the button event

Timer1.Start()

但我不确定从那里开始做什么.我该怎么做?

But I am unsure of what to do from there. How do I go about doing this?

推荐答案

好吧 Timer1.Start() 启动计时器，但您需要声明计时器滴答的频率.

Well Timer1.Start() starts the timer, but you need to declare how often the timer ticks.

Timer1.Interval = 1000

将使计时器每 1000 毫秒或 1 秒滴答一次.您希望为计时器执行的操作位于 Timer_Tick 事件处理程序中.

will make the timer tick every 1000 miliseconds, or 1 sec. The actions that you want to happen for the timer go in the Timer_Tick event handler.

为了允许标签递增，您可以使用全局变量:

In order to allow the label to increment you could use a global variable:

Public Class MainBox

Dim counter As Int

Private Sub Form_Load(sender As System.Object, e As System.EventArgs)
    Timer1.Interval = 1000
    Timer1.Start()
End Sub

Private Sub Timer1_Tick(sender As System.Object, e As System.EventArgs) HandlesTimer1.Tick<action>
    counter = counter + 1
    label1.Text = counter
End Sub

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