form1.vb

来自「Visual Basic .NET程序设计教程源代码」· VB 代码 · 共 124 行

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 PictureBox1 As System.Windows.Forms.PictureBox
    Friend WithEvents PictureBox2 As System.Windows.Forms.PictureBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents PictureBox3 As System.Windows.Forms.PictureBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.PictureBox1 = New System.Windows.Forms.PictureBox()
        Me.PictureBox2 = New System.Windows.Forms.PictureBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label3 = New System.Windows.Forms.Label()
        Me.PictureBox3 = New System.Windows.Forms.PictureBox()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'PictureBox1
        '
        Me.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.PictureBox1.Name = "PictureBox1"
        Me.PictureBox1.Size = New System.Drawing.Size(104, 104)
        Me.PictureBox1.TabIndex = 0
        Me.PictureBox1.TabStop = False
        '
        'PictureBox2
        '
        Me.PictureBox2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.PictureBox2.Location = New System.Drawing.Point(112, 0)
        Me.PictureBox2.Name = "PictureBox2"
        Me.PictureBox2.Size = New System.Drawing.Size(112, 104)
        Me.PictureBox2.TabIndex = 1
        Me.PictureBox2.TabStop = False
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(32, 184)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(72, 23)
        Me.Label1.TabIndex = 3
        Me.Label1.Text = "FixedSingle"
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(208, 208)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(72, 23)
        Me.Label3.TabIndex = 5
        Me.Label3.Text = "Fixed3D"
        '
        'PictureBox3
        '
        Me.PictureBox3.Location = New System.Drawing.Point(64, 168)
        Me.PictureBox3.Name = "PictureBox3"
        Me.PictureBox3.TabIndex = 6
        Me.PictureBox3.TabStop = False
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(136, 112)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 7
        Me.Button1.Text = "交换"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.PictureBox3, Me.Label3, Me.Label1, Me.PictureBox2, Me.PictureBox1})
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage
        PictureBox2.SizeMode = PictureBoxSizeMode.StretchImage
        PictureBox3.SizeMode = PictureBoxSizeMode.StretchImage
        PictureBox1.Image = Image.FromFile("f:\vb.app\ch07\fll.jpg")
        PictureBox2.Image = Image.FromFile("f:\vb.app\ch07\mll.jpg")
    End Sub

    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        PictureBox3.Image = PictureBox1.Image
        PictureBox1.Image = PictureBox2.Image
        PictureBox2.Image = PictureBox3.Image
        '隐藏第三个图片框
        PictureBox3.Visible = False
    End Sub
End Class