form1.vb

来自「Visual Basic .NET程序设计教程源代码」· VB 代码 · 共 69 行

Public Class Form1
    Inherits System.Windows.Forms.Form
    Sub DelayLoop(ByVal DelayTime As Integer)
        Dim LoopFinish As Integer
        Const SecondsInDay = 24& * 60& * 60&
        LoopFinish = Second(Now) + DelayTime
        If LoopFinish > SecondsInDay Then
            LoopFinish = LoopFinish - SecondsInDay
            Do While Second(Now) > LoopFinish
            Loop
        End If
        Do While Second(Now) < LoopFinish
        Loop
    End Sub

#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

    '窗体重写处置以清理组件列表。
    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。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Name = "Form1"
        Me.Text = "Form1"

    End Sub

#End Region

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Debug.WriteLine("现在输出第一行")
        Debug.WriteLine("等待5秒钟……")
        DelayLoop(5)
        Debug.WriteLine("")
        Debug.WriteLine("输出第二行")
        Debug.WriteLine("等待10秒钟……")
        Call DelayLoop(10)
        Debug.WriteLine("")
        Debug.WriteLine("输出第三行")
    End Sub
End Class