VB.Net Tutorial/GUI/Control Size Location — различия между версиями

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Текущая версия на 15:56, 26 мая 2010

Control Dynamic Size Location

<source lang="vbnet">imports System imports System.Drawing imports System.Windows.Forms public class ControlDynamicSizeLocation : inherits Form

 private WithEvents btnShow as Button
 public sub New()
   btnShow = new Button()
   btnShow.Parent = me
   Size = new Size(350,400)
   btnShow.Size = new Size(20, 20)
   OnResize(EventArgs.Empty)
 end sub
 protected overrides sub OnResize(ByVal e as EventArgs)
   MyBase.OnResize(e)
   
   
   btnShow.Location = new Point(me.ClientSize.Width/10, me.ClientSize.Height/10)
 end sub
 public shared sub Main() 
   Application.Run(new ControlDynamicSizeLocation())
 end sub

end class</source>

Get Control Location and Size

<source lang="vbnet">imports System imports System.Drawing imports System.Windows.Forms public class ControlSizeLocation : inherits Form

 Private WithEvents btnShow as Button
 Private WithEvents btnChange as Button
 public sub New()
   BackColor = Color.LightBlue
   ForeColor = Color.DarkBlue
   Size = new Size(350,200)
   btnShow = new Button()
   btnShow.Location = new Point(50,50)
   btnShow.Size = new Size(100,23)
   btnShow.Text = "Show"
   btnShow.Parent = me
   btnChange = new Button()
   btnChange.Location = new Point(200,50)
   btnChange.Size = new Size(100,23)
   btnChange.Text = "Change"
   btnChange.Parent = me
 end sub
 public shared sub Main() 
   Application.Run(new ControlSizeLocation())
 end sub
 private sub btnShow_Click(ByVal sender as object,ByVal e as EventArgs) Handles btnShow.Click
   Console.WriteLine("Button Bottom:  " + btnShow.Bottom.ToString())
   Console.WriteLine("Button Top:  " + btnShow.Top.ToString())
   Console.WriteLine("Button Left:  " + btnShow.Left.ToString())
   Console.WriteLine("Button Right:  " + btnShow.Right.ToString())
   Console.WriteLine("Button Location: " + btnShow.Location.ToString())
   Console.WriteLine("Button Width:  " + btnShow.Width.ToString())
   Console.WriteLine("Button Height:  " + btnShow.Height.ToString())
   Console.WriteLine("Button Size:  " + btnShow.Size.ToString())
   Console.WriteLine("Button ClientSize:  " + btnShow.ClientSize.ToString())
   Console.WriteLine("Form Size:  " + me.Size.ToString())
   Console.WriteLine("Form ClientSize: " + me.ClientSize.ToString())
 end sub
 private sub btnChange_Click(ByVal sender as object,ByVal e as EventArgs)Handles btnChange.Click
   me.Size = new Size(800,200)
 end sub

end class</source>

Resize controls

<source lang="vbnet">Imports System.Windows.Forms public class FormResizeEvent

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class Public Class Form1

   Private Sub Form1_Resize(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Resize
       GroupBox1.Top = 0
       GroupBox1.Left = 0
       GroupBox1.Width = Me.Width
       GroupBox1.Height = Me.Height
       Label1.Left = GroupBox1.Top + 10
       Label1.Top = GroupBox1.Left + 20
       TextBox1.Top = Label1.Top + 50
       TextBox1.Left = Label1.Left
       TextBox1.Width = GroupBox1.Width - 20
   End Sub

End Class <Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Class Form1

   Inherits System.Windows.Forms.Form
   "Form overrides dispose to clean up the component list.
   <System.Diagnostics.DebuggerNonUserCode()> _
   Protected Overrides Sub Dispose(ByVal disposing As Boolean)
       If disposing AndAlso components IsNot Nothing Then
           components.Dispose()
       End If
       MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.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.
   <System.Diagnostics.DebuggerStepThrough()> _
   Private Sub InitializeComponent()
       Me.GroupBox1 = New System.Windows.Forms.GroupBox
       Me.TextBox1 = New System.Windows.Forms.TextBox
       Me.Label1 = New System.Windows.Forms.Label
       Me.GroupBox1.SuspendLayout()
       Me.SuspendLayout()
       "
       "GroupBox1
       "
       Me.GroupBox1.Controls.Add(Me.TextBox1)
       Me.GroupBox1.Controls.Add(Me.Label1)
       Me.GroupBox1.Location = New System.Drawing.Point(12, 12)
       Me.GroupBox1.Name = "GroupBox1"
       Me.GroupBox1.Size = New System.Drawing.Size(392, 195)
       Me.GroupBox1.TabIndex = 0
       Me.GroupBox1.TabStop = False
       Me.GroupBox1.Text = "GroupBox1"
       "
       "TextBox1
       "
       Me.TextBox1.Location = New System.Drawing.Point(32, 62)
       Me.TextBox1.Multiline = True
       Me.TextBox1.Name = "TextBox1"
       Me.TextBox1.Size = New System.Drawing.Size(331, 21)
       Me.TextBox1.TabIndex = 5
       "
       "Label1
       "
       Me.Label1.AutoSize = True
       Me.Label1.Location = New System.Drawing.Point(30, 30)
       Me.Label1.Name = "Label1"
       Me.Label1.Size = New System.Drawing.Size(41, 12)
       Me.Label1.TabIndex = 4
       Me.Label1.Text = "Label1"
       "
       "Form1
       "
       Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 12.0!)
       Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
       Me.ClientSize = New System.Drawing.Size(416, 219)
       Me.Controls.Add(Me.GroupBox1)
       Me.Name = "Form1"
       Me.Text = "Form1"
       Me.GroupBox1.ResumeLayout(False)
       Me.GroupBox1.PerformLayout()
       Me.ResumeLayout(False)
   End Sub
   Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
   Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
   Friend WithEvents Label1 As System.Windows.Forms.Label

End Class</source>

Set Control Bounds

<source lang="vbnet">Imports System.Windows.Forms public class FormLayoutEvent

  public Shared Sub Main
       Application.Run(New GridForm)
  End Sub

End class Public Class GridForm

   Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
   Public Sub New()
       MyBase.New()
       "This call is required by the Windows Form Designer.
       InitializeComponent()
       "Add any initialization after the InitializeComponent() call
   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.ruponentModel.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 button1 As System.Windows.Forms.Button
   Friend WithEvents button2 As System.Windows.Forms.Button
   Friend WithEvents button3 As System.Windows.Forms.Button
   Friend WithEvents button4 As System.Windows.Forms.Button
   Friend WithEvents button5 As System.Windows.Forms.Button
   Friend WithEvents button6 As System.Windows.Forms.Button
   Friend WithEvents button7 As System.Windows.Forms.Button
   Friend WithEvents button8 As System.Windows.Forms.Button
   Friend WithEvents button9 As System.Windows.Forms.Button
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.button1 = New System.Windows.Forms.Button()
       Me.button2 = New System.Windows.Forms.Button()
       Me.button3 = New System.Windows.Forms.Button()
       Me.button4 = New System.Windows.Forms.Button()
       Me.button5 = New System.Windows.Forms.Button()
       Me.button6 = New System.Windows.Forms.Button()
       Me.button7 = New System.Windows.Forms.Button()
       Me.button8 = New System.Windows.Forms.Button()
       Me.button9 = New System.Windows.Forms.Button()
       Me.SuspendLayout()
       "
       "button1
       "
       Me.button1.Location = New System.Drawing.Point(8, 8)
       Me.button1.Name = "button1"
       Me.button1.Size = New System.Drawing.Size(75, 75)
       Me.button1.TabIndex = 7
       Me.button1.Text = "1"
       "
       "button2
       "
       Me.button2.Location = New System.Drawing.Point(88, 8)
       Me.button2.Name = "button2"
       Me.button2.Size = New System.Drawing.Size(75, 75)
       Me.button2.TabIndex = 6
       Me.button2.Text = "2"
       "
       "button3
       "
       Me.button3.Location = New System.Drawing.Point(168, 8)
       Me.button3.Name = "button3"
       Me.button3.Size = New System.Drawing.Size(75, 75)
       Me.button3.TabIndex = 9
       Me.button3.Text = "3"
       "
       "button4
       "
       Me.button4.Location = New System.Drawing.Point(8, 88)
       Me.button4.Name = "button4"
       Me.button4.Size = New System.Drawing.Size(75, 75)
       Me.button4.TabIndex = 8
       Me.button4.Text = "4"
       "
       "button5
       "
       Me.button5.Location = New System.Drawing.Point(88, 88)
       Me.button5.Name = "button5"
       Me.button5.Size = New System.Drawing.Size(75, 75)
       Me.button5.TabIndex = 5
       Me.button5.Text = "5"
       "
       "button6
       "
       Me.button6.Location = New System.Drawing.Point(168, 88)
       Me.button6.Name = "button6"
       Me.button6.Size = New System.Drawing.Size(75, 75)
       Me.button6.TabIndex = 2
       Me.button6.Text = "6"
       "
       "button7
       "
       Me.button7.Location = New System.Drawing.Point(8, 168)
       Me.button7.Name = "button7"
       Me.button7.Size = New System.Drawing.Size(75, 75)
       Me.button7.TabIndex = 1
       Me.button7.Text = "7"
       "
       "button8
       "
       Me.button8.Location = New System.Drawing.Point(88, 168)
       Me.button8.Name = "button8"
       Me.button8.Size = New System.Drawing.Size(75, 75)
       Me.button8.TabIndex = 4
       Me.button8.Text = "8"
       "
       "button9
       "
       Me.button9.Location = New System.Drawing.Point(168, 168)
       Me.button9.Name = "button9"
       Me.button9.Size = New System.Drawing.Size(75, 75)
       Me.button9.TabIndex = 3
       Me.button9.Text = "9"
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(248, 246)
       Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.button1, Me.button2, Me.button3, Me.button4, Me.button5, Me.button6, Me.button7, Me.button8, Me.button9})
       Me.Name = "Form1"
       Me.Text = "Grid Layout Example"
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Private Sub GridForm_Layout(ByVal sender As Object, ByVal e As System.Windows.Forms.LayoutEventArgs) Handles MyBase.Layout
       Dim buttons As Button() = New Button() {button1, button2, button3, button4, button5, button6, button7, button8, button9}
       Dim cx As Integer = ClientRectangle.Width / 3
       Dim cy As Integer = ClientRectangle.Height / 3
       Dim row As Integer = 0
       Do While row < 3
           Dim col As Integer = 0
           Do While col < 3
               Dim b As Button = buttons(col * 3 + row)
               b.Text = "Button"
               b.SetBounds(cx * row, cy * col, cx, cy)
               col = col + 1
           Loop
           row = row + 1
       Loop
       SetClientSizeCore(cx * 3, cy * 3)
   End Sub

End Class</source>