' Add a button to a form and set some of its common properties.
Private Sub AddMyButton()
   ' Create a button and add it to the form.
   Dim button1 As New Button()
   
   ' Anchor the button to the bottom right corner of the form
   button1.Anchor = AnchorStyles.Bottom Or AnchorStyles.Right
   
   ' Assign a background image.
   button1.BackgroundImage = imageList1.Images(0)

   ' Specify the layout style of the background image. Tile is the default.
   button1.BackgroundImageLayout = ImageLayout.Center
   
   ' Make the button the same size as the image.
   button1.Size = button1.BackgroundImage.Size
   
   ' Set the button's TabIndex and TabStop properties.
   button1.TabIndex = 1
   button1.TabStop = True

   ' Add a delegate to handle the Click event.
   AddHandler button1.Click, AddressOf Me.button1_Click
   
   ' Add the button to the form.
   Me.Controls.Add(button1)
End Sub

' 导入命名空间
Imports System.Windows.Forms

public class GetControlAnchoringInformation
   public Shared Sub Main
        Application.Run(New Anchoring)
   End Sub
End class

Public Class Anchoring
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        InitializeComponent()

        For Each ctrl As Control In Me.Controls
            Dim anchorText As New System.Text.StringBuilder
            If ctrl.Anchor And AnchorStyles.Top Then
                anchorText.Append("Top")
            End If
            If ctrl.Anchor And AnchorStyles.Left Then
                If anchorText.Length <> 0 Then
                    anchorText.Append(", ")
                End If
                anchorText.Append("Left")
            End If
            If ctrl.Anchor And AnchorStyles.Bottom Then
                If anchorText.Length <> 0 Then
                    anchorText.Append(", ")
                End If
                anchorText.Append("Bottom")
            End If
            If ctrl.Anchor And AnchorStyles.Right Then
                If anchorText.Length <> 0 Then
                    anchorText.Append(", ")
                End If
                anchorText.Append("Right")
            End If
            ctrl.Text = anchorText.ToString()

        Next
    End Sub

    'Form overrides dispose to clean up the component list.
    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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.TextBox4 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'TextBox1
        '
        Me.TextBox1.Anchor = CType(((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.TextBox1.Location = New System.Drawing.Point(16, 16)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(248, 20)
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = "Anchored to Top, Left, Right"
        '
        'TextBox2
        '
        Me.TextBox2.Anchor = CType(((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.TextBox2.Location = New System.Drawing.Point(16, 72)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(248, 20)
        Me.TextBox2.TabIndex = 1
        Me.TextBox2.Text = "Anchored to Top, Left, Right"
        '
        'TextBox3
        '
        Me.TextBox3.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.TextBox3.Location = New System.Drawing.Point(16, 96)
        Me.TextBox3.Multiline = True
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.Size = New System.Drawing.Size(248, 136)
        Me.TextBox3.TabIndex = 2
        Me.TextBox3.Text = "Anchored to Top, Bottom, Left, Right"
        '
        'Button1
        '
        Me.Button1.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.Button1.Location = New System.Drawing.Point(168, 240)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(96, 23)
        Me.Button1.TabIndex = 3
        Me.Button1.Text = "bottom,right"
        '
        'TextBox4
        '
        Me.TextBox4.Location = New System.Drawing.Point(16, 44)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.Size = New System.Drawing.Size(248, 20)
        Me.TextBox4.TabIndex = 4
        Me.TextBox4.Text = "Anchored to Top, Left (default)"
        '
        'Anchoring
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(280, 270)
        Me.Controls.Add(Me.TextBox4)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox3)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.TextBox1)
        Me.Name = "Anchoring"
        Me.Text = "Anchoring"
        Me.ResumeLayout(False)

    End Sub

#End Region

End Class