frmtimer.vb

简单的VFP 图书管理系统

Public Class frmTimer
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写 dispose 以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents Timer1 As System.Windows.Forms.Timer
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmTimer))
        Me.Timer1 = New System.Windows.Forms.Timer(Me.components)
        '
        'Timer1
        '
        '
        'frmTimer
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.BackgroundImage = CType(resources.GetObject("$this.BackgroundImage"), System.Drawing.Image)
        Me.ClientSize = New System.Drawing.Size(352, 254)
        Me.ControlBox = False
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None
        Me.MaximizeBox = False
        Me.MinimizeBox = False
        Me.Name = "frmTimer"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen

    End Sub

#End Region
    Dim int As Integer = 0
    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Dim frm As New frmUser
        If int = 0 Then
            Me.Visible = True
            frm.Visible = False
            int = 1
        ElseIf int = 1 Then
            Me.Visible = False
            frm.Visible = True
            int = 2
        End If
    End Sub

    Private Sub frmUser_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        'Dim frm As New frmUser
        'frm.Show()
        Me.Timer1.Enabled = True
        Me.Timer1.Interval = 500 '时间间隔自定义
    End Sub

End Class