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画面添加textbox1 timer1
十余年的拱墅网站建设经验,针对设计、前端、开发、售后、文案、推广等六对一服务,响应快,48小时及时工作处理。全网营销推广的优势是能够根据用户设备显示端的尺寸不同,自动调整拱墅建站的显示方式,使网站能够适用不同显示终端,在浏览器中调整网站的宽度,无论在任何一种浏览器上浏览网站,都能展现优雅布局与设计,从而大程度地提升浏览体验。创新互联公司从事“拱墅网站设计”,“拱墅网站推广”以来,每个客户项目都认真落实执行。
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Timer1.Interval = 1000
TextBox1.Text = "2011/12/07 10:35:00"
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If IsDate(TextBox1.Text) = True Then
Timer1.Start()
End If
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
If Format(Now, "yyyy/MM/dd hh:mm:ss") = TextBox1.Text Then
MsgBox("It's time to go")
Timer1.Stop()
End If
End Sub
Public Class Form1
Inherits System.Windows.Forms.Form
Dim t As System.DateTime
Dim c As Integer
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Try
c = TextBox1.Text
If Timer1.Enabled Then
Timer1.Stop()
Else
t = Now.AddHours(c)
Timer1.Start()
End If
Catch ex As Exception
MsgBox("")
End Try
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim d As TimeSpan = t.Subtract(Now)
Label1.Text = d.Hours "小时" d.Minutes "分钟" d.Seconds "秒"
End Sub
End Class
Dim tCount As Integer '用来计数
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles MyBase.Load
tCount = 10
Timer1.Interval = 1000 '每秒执行一次
Timer1.Enabled = True
End
Sub
Private Sub
Timer1_Tick(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Timer1.Tick
tCount -= 1
If tCount = 0 Then
MessageBox.Show("时间到")
Timer1.Enabled = False
End If
End
Sub
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