Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗體設計器生成的代碼 "

    Public Sub New()
        MyBase.New()

        '該調用是 Windows 窗體設計器所必需的。
        InitializeComponent()

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

    End Sub

    '窗體重寫 dispose 以清理組件列表。
    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 窗體設計器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下過程是 Windows 窗體設計器所必需的
    '可以使用 Windows 窗體設計器修改此過程。
    '不要使用代碼編輯器修改它。
    Friend WithEvents BT1 As System.Windows.Forms.Button
    Friend WithEvents BT2 As System.Windows.Forms.Button
    Friend WithEvents TextB As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TextB = New System.Windows.Forms.TextBox
        Me.BT1 = New System.Windows.Forms.Button
        Me.BT2 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'TextB
        '
        Me.TextB.Location = New System.Drawing.Point(48, 32)
        Me.TextB.Name = "TextB"
        Me.TextB.Size = New System.Drawing.Size(184, 21)
        Me.TextB.TabIndex = 0
        Me.TextB.Text = ""
        '
        'BT1
        '
        Me.BT1.Location = New System.Drawing.Point(32, 136)
        Me.BT1.Name = "BT1"
        Me.BT1.TabIndex = 1
        Me.BT1.Text = "單擊我"
        '
        'BT2
        '
        Me.BT2.Location = New System.Drawing.Point(168, 136)
        Me.BT2.Name = "BT2"
        Me.BT2.TabIndex = 2
        Me.BT2.Text = "顯示"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(292, 266)
        Me.Controls.Add(Me.BT2)
        Me.Controls.Add(Me.BT1)
        Me.Controls.Add(Me.TextB)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub BT1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BT1.Click
        textB.Text = "你單擊的是左邊的按鈕"
        BT1.Text = "顯示"
        BT2.Text = "單擊我"
        TextB.BackColor = Color.Orange
    End Sub

    Private Sub BT2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BT2.Click
        TextB.Text = "你單擊的是右邊的按鈕"
        BT2.Text = "顯示"
        BT1.Text = "單擊我"
        TextB.BackColor = Color.Yellow
    End Sub
End Class