form1.vb

适合VB初学者看

Imports ClassSample
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。
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents txtParameter As System.Windows.Forms.TextBox
    Friend WithEvents txtValue As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.txtParameter = New System.Windows.Forms.TextBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.txtValue = New System.Windows.Forms.TextBox()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'txtParameter
        '
        Me.txtParameter.Location = New System.Drawing.Point(8, 40)
        Me.txtParameter.Name = "txtParameter"
        Me.txtParameter.Size = New System.Drawing.Size(96, 21)
        Me.txtParameter.TabIndex = 0
        Me.txtParameter.Text = ""
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(112, 40)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(56, 24)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "的阶乘是"
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'txtValue
        '
        Me.txtValue.Location = New System.Drawing.Point(176, 40)
        Me.txtValue.Name = "txtValue"
        Me.txtValue.Size = New System.Drawing.Size(216, 21)
        Me.txtValue.TabIndex = 2
        Me.txtValue.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(72, 120)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(104, 32)
        Me.Button1.TabIndex = 3
        Me.Button1.Text = "计   算"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(184, 120)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(104, 32)
        Me.Button2.TabIndex = 4
        Me.Button2.Text = "退   出"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(400, 213)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button2, Me.Button1, Me.txtValue, Me.Label1, Me.txtParameter})
        Me.Name = "Form1"
        Me.Text = "类库的简单应用"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim s As String
        s = txtParameter.Text
        If s <> "" Then
            Dim Custom As New customClass()
            Try
                txtValue.Text = Custom.calculate(CInt(s))
            Catch ex As Exception
                MsgBox(ex.Message)
            End Try
        End If
    End Sub
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        End
    End Sub
End Class