form1.vb

苏金明编写的《用VB.NET和VC#.NET开发交互式CAD系统》一书的源代码

Public Class Form1
    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()
        components = New System.ComponentModel.Container()
        Me.Text = "Form1"
    End Sub

#End Region

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim c As Single
        Sum(10, 20, c)
        Console.WriteLine(c)
        Dim cpt(1) As Single
        Compute(10, 20, cpt)
        Console.WriteLine(cpt(0) & "," & cpt(1))
        Dim cpt2(1) As Single
        cpt2 = Compute(50, 20)
        Console.WriteLine(cpt2(0) & "," & cpt2(1))
    End Sub

    Private Sub Sum(ByVal a As Single, ByVal b As Single, ByRef c As Single)
        c = a + b
    End Sub

    Private Sub Compute(ByVal a As Single, ByVal b As Single, ByRef cpt As Single())
        cpt(0) = a + b
        cpt(1) = a - b
    End Sub

    Private Function Compute(ByVal a As Single, ByVal b As Single) As Single()
        Dim cpt(1) As Single
        cpt(0) = a + b
        cpt(1) = a - b
        Return cpt

    End Function

End Class