vb.net 如何让图片框中的图片每 10 秒更改一次
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how to have a picture in a picture-box change every 10 seconds
提问by user2494890
I am making a CCTV camera sort of thing and I want the pictures in the picture-boxes to change every ten seconds can someone please help me. i have tried using
我正在制作闭路电视摄像机之类的东西，我希望图片框中的图片每十秒更改一次，有人可以帮助我。我试过使用
pic1.Image = Image.FromFile("C:\Documents and Settings\IT\My Documents\Downloads\whitehouse
System.Threading.Thread.Sleep(10000)
pic1.Image = Image.FromFile("C:\Documents and Settings\IT\My Documents\Downloads\penatagon")
回答by Mataniko
A couple of things: If these images aren't too big and plentiful you should consider preloading them all before hand:
有几件事：如果这些图像不是太大和太多，您应该考虑事先预先加载它们：
Dim images As New List(Of Image)()
images.add(Image.FromFile(Somefilepath))
Now create a Timer that will tick every 10 seconds:
现在创建一个每 10 秒滴答一次的计时器：
Dim pictureChangeTimer As New Timer()
'Creates a timer
AddHandler pictureChangeTimer.Tick, AddressOf pictureChangeTimer_tick
'creates an event handler, simply type in pictureChangeTimer.Tick += and hit tab twice. this will automatically create the method for you
' Sets the timer interval to 10 seconds.
myTimer.Interval = 10000
myTimer.Start()
Now in a separate function you can change your pictures every time the event lauches
现在在一个单独的功能中，您可以在每次活动开始时更改图片
Private Sub pictureChangeTimer_tick(sender As Object, e As EventArgs)
'if using a list
pic1.Image = images(Index)
'using your original example
pic1.Image = Image.FromFile("C:\Documents and Settings\IT\My Documents\Downloads\whitehouse.jpg")
End Sub
