VB.Net by API/System.Windows.Forms/VScrollBar

VScrollBar.LargeChange

  
imports System
imports System.Drawing
imports System.Windows.Forms
public class NumericUpDowns : inherits Form
  dim hbar as HScrollBar
  dim vbar as VScrollBar
  dim nupdwn as NumericUpDown
  public sub New()
    Size = new Size(480,580)
    hbar = new HScrollBar()
    hbar.Parent = me
    hbar.Location = new Point(0, 25)
    hbar.Size = new Size(300, 25)
    hbar.Minimum = 25
    hbar.Maximum = 400
    hbar.SmallChange = 10
    hbar.LargeChange = 100
    hbar.Value = 10
    AddHandler hbar.ValueChanged, AddressOf hbar_OnValueChanged
    vbar = new VScrollBar()
    vbar.Parent = me
    vbar.Location = new Point(25, 25)
    vbar.Size = new Size(25, 300)
    vbar.Minimum = 25
    vbar.Maximum = 400
    vbar.SmallChange = 10
    vbar.LargeChange = 100
    vbar.Value = 10
    AddHandler vbar.ValueChanged, AddressOf vbar_OnValueChanged
    nupdwn = new NumericUpDown()
    nupdwn.Parent = me
    nupdwn.Location = new Point(100,100)
    nupdwn.Size = new Size(60,20)
    nupdwn.Value = 1
    nupdwn.Minimum = -10
    nupdwn.Maximum = 10
    nupdwn.Increment = .25d      "  decimal 
    nupdwn.DecimalPlaces = 2
    nupdwn.ReadOnly = true
    nupdwn.TextAlign = HorizontalAlignment.Right
    AddHandler nupdwn.ValueChanged, AddressOf nupdwn_OnValueChanged
  end sub
  private sub hbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(hbar.Value)
    Console.WriteLine(hbar.LargeChange)
  end sub
  private sub vbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(vbar.Value)
    Console.WriteLine(vbar.LargeChange)
  end sub
  private sub nupdwn_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(nupdwn.Value)
  end sub
  public shared sub Main() 
    Application.Run(new NumericUpDowns())
  end sub
end class

VScrollBar.Maximum

  
imports System
imports System.Drawing
imports System.Windows.Forms
public class NumericUpDowns : inherits Form
  dim hbar as HScrollBar
  dim vbar as VScrollBar
  dim nupdwn as NumericUpDown
  public sub New()
    Size = new Size(480,580)
    hbar = new HScrollBar()
    hbar.Parent = me
    hbar.Location = new Point(0, 25)
    hbar.Size = new Size(300, 25)
    hbar.Minimum = 25
    hbar.Maximum = 400
    hbar.SmallChange = 10
    hbar.LargeChange = 100
    hbar.Value = 10
    AddHandler hbar.ValueChanged, AddressOf hbar_OnValueChanged
    vbar = new VScrollBar()
    vbar.Parent = me
    vbar.Location = new Point(25, 25)
    vbar.Size = new Size(25, 300)
    vbar.Minimum = 25
    vbar.Maximum = 400
    vbar.SmallChange = 10
    vbar.LargeChange = 100
    vbar.Value = 10
    AddHandler vbar.ValueChanged, AddressOf vbar_OnValueChanged
    nupdwn = new NumericUpDown()
    nupdwn.Parent = me
    nupdwn.Location = new Point(100,100)
    nupdwn.Size = new Size(60,20)
    nupdwn.Value = 1
    nupdwn.Minimum = -10
    nupdwn.Maximum = 10
    nupdwn.Increment = .25d      "  decimal 
    nupdwn.DecimalPlaces = 2
    nupdwn.ReadOnly = true
    nupdwn.TextAlign = HorizontalAlignment.Right
    AddHandler nupdwn.ValueChanged, AddressOf nupdwn_OnValueChanged
  end sub
  private sub hbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(hbar.Value)
    Console.WriteLine(hbar.LargeChange)
  end sub
  private sub vbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(vbar.Value)
    Console.WriteLine(vbar.LargeChange)
  end sub
  private sub nupdwn_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(nupdwn.Value)
  end sub
  public shared sub Main() 
    Application.Run(new NumericUpDowns())
  end sub
end class

VScrollBar.Minimum

  
imports System
imports System.Drawing
imports System.Windows.Forms
public class NumericUpDowns : inherits Form
  dim hbar as HScrollBar
  dim vbar as VScrollBar
  dim nupdwn as NumericUpDown
  public sub New()
    Size = new Size(480,580)
    hbar = new HScrollBar()
    hbar.Parent = me
    hbar.Location = new Point(0, 25)
    hbar.Size = new Size(300, 25)
    hbar.Minimum = 25
    hbar.Maximum = 400
    hbar.SmallChange = 10
    hbar.LargeChange = 100
    hbar.Value = 10
    AddHandler hbar.ValueChanged, AddressOf hbar_OnValueChanged
    vbar = new VScrollBar()
    vbar.Parent = me
    vbar.Location = new Point(25, 25)
    vbar.Size = new Size(25, 300)
    vbar.Minimum = 25
    vbar.Maximum = 400
    vbar.SmallChange = 10
    vbar.LargeChange = 100
    vbar.Value = 10
    AddHandler vbar.ValueChanged, AddressOf vbar_OnValueChanged
    nupdwn = new NumericUpDown()
    nupdwn.Parent = me
    nupdwn.Location = new Point(100,100)
    nupdwn.Size = new Size(60,20)
    nupdwn.Value = 1
    nupdwn.Minimum = -10
    nupdwn.Maximum = 10
    nupdwn.Increment = .25d      "  decimal 
    nupdwn.DecimalPlaces = 2
    nupdwn.ReadOnly = true
    nupdwn.TextAlign = HorizontalAlignment.Right
    AddHandler nupdwn.ValueChanged, AddressOf nupdwn_OnValueChanged
  end sub
  private sub hbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(hbar.Value)
    Console.WriteLine(hbar.LargeChange)
  end sub
  private sub vbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(vbar.Value)
    Console.WriteLine(vbar.LargeChange)
  end sub
  private sub nupdwn_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(nupdwn.Value)
  end sub
  public shared sub Main() 
    Application.Run(new NumericUpDowns())
  end sub
end class

VScrollBar.Scroll

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ScrollBarControl
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Public Sub New()
        MyBase.New()
        InitializeComponent()
    End Sub
    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
    Private components As System.ruponentModel.IContainer
    Friend WithEvents HScrollBar1 As System.Windows.Forms.HScrollBar
    Friend WithEvents VScrollBar1 As System.Windows.Forms.VScrollBar
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.HScrollBar1 = New System.Windows.Forms.HScrollBar
        Me.VScrollBar1 = New System.Windows.Forms.VScrollBar
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.Label4 = New System.Windows.Forms.Label
        Me.Label5 = New System.Windows.Forms.Label
        Me.SuspendLayout()
        "
        "HScrollBar1
        "
        Me.HScrollBar1.Location = New System.Drawing.Point(24, 208)
        Me.HScrollBar1.Name = "HScrollBar1"
        Me.HScrollBar1.Size = New System.Drawing.Size(176, 16)
        Me.HScrollBar1.TabIndex = 2
        Me.HScrollBar1.Value = 50
        "
        "VScrollBar1
        "
        Me.VScrollBar1.LargeChange = 1
        Me.VScrollBar1.Location = New System.Drawing.Point(208, 32)
        Me.VScrollBar1.Maximum = 3
        Me.VScrollBar1.Name = "VScrollBar1"
        Me.VScrollBar1.Size = New System.Drawing.Size(16, 168)
        Me.VScrollBar1.TabIndex = 3
        "
        "Label1
        "
        Me.Label1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Label1.Location = New System.Drawing.Point(24, 32)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(176, 168)
        Me.Label1.TabIndex = 4
        Me.Label1.Text = "Visual Basic"
        "
        "Label2
        "
        Me.Label2.Location = New System.Drawing.Point(88, 240)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(56, 16)
        Me.Label2.TabIndex = 5
        Me.Label2.Text = "Font Size"
        "
        "Label3
        "
        Me.Label3.Location = New System.Drawing.Point(232, 48)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(48, 24)
        Me.Label3.TabIndex = 6
        Me.Label3.Text = "Red"
        "
        "Label4
        "
        Me.Label4.Location = New System.Drawing.Point(232, 96)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(48, 24)
        Me.Label4.TabIndex = 7
        Me.Label4.Text = "Yellow"
        "
        "Label5
        "
        Me.Label5.Location = New System.Drawing.Point(232, 152)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(40, 16)
        Me.Label5.TabIndex = 8
        Me.Label5.Text = "Green"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 266)
        Me.Controls.Add(Me.Label5)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.VScrollBar1)
        Me.Controls.Add(Me.HScrollBar1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    End Sub
    Private Sub HScrollBar1_Scroll(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles HScrollBar1.Scroll
        Label1.Font = New Font(Label1.Font.FontFamily, HScrollBar1.Value)
    End Sub
    Private Sub VScrollBar1_Scroll(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles VScrollBar1.Scroll
        Select Case VScrollBar1.Value
            Case 1
                Label1.ForeColor = Color.Red
            Case 2
                Label1.ForeColor = Color.Yellow
            Case 3
                Label1.ForeColor = Color.Green
        End Select
    End Sub
End Class

VScrollBar.SmallChange

  
imports System
imports System.Drawing
imports System.Windows.Forms
public class NumericUpDowns : inherits Form
  dim hbar as HScrollBar
  dim vbar as VScrollBar
  dim nupdwn as NumericUpDown
  public sub New()
    Size = new Size(480,580)
    hbar = new HScrollBar()
    hbar.Parent = me
    hbar.Location = new Point(0, 25)
    hbar.Size = new Size(300, 25)
    hbar.Minimum = 25
    hbar.Maximum = 400
    hbar.SmallChange = 10
    hbar.LargeChange = 100
    hbar.Value = 10
    AddHandler hbar.ValueChanged, AddressOf hbar_OnValueChanged
    vbar = new VScrollBar()
    vbar.Parent = me
    vbar.Location = new Point(25, 25)
    vbar.Size = new Size(25, 300)
    vbar.Minimum = 25
    vbar.Maximum = 400
    vbar.SmallChange = 10
    vbar.LargeChange = 100
    vbar.Value = 10
    AddHandler vbar.ValueChanged, AddressOf vbar_OnValueChanged
    nupdwn = new NumericUpDown()
    nupdwn.Parent = me
    nupdwn.Location = new Point(100,100)
    nupdwn.Size = new Size(60,20)
    nupdwn.Value = 1
    nupdwn.Minimum = -10
    nupdwn.Maximum = 10
    nupdwn.Increment = .25d      "  decimal 
    nupdwn.DecimalPlaces = 2
    nupdwn.ReadOnly = true
    nupdwn.TextAlign = HorizontalAlignment.Right
    AddHandler nupdwn.ValueChanged, AddressOf nupdwn_OnValueChanged
  end sub
  private sub hbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(hbar.Value)
    Console.WriteLine(hbar.LargeChange)
  end sub
  private sub vbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(vbar.Value)
    Console.WriteLine(vbar.LargeChange)
  end sub
  private sub nupdwn_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(nupdwn.Value)
  end sub
  public shared sub Main() 
    Application.Run(new NumericUpDowns())
  end sub
end class

VScrollBar.ValueChanged

  
imports System
imports System.Drawing
imports System.Windows.Forms
public class NumericUpDowns : inherits Form
  dim hbar as HScrollBar
  dim vbar as VScrollBar
  dim nupdwn as NumericUpDown
  public sub New()
    Size = new Size(480,580)
    hbar = new HScrollBar()
    hbar.Parent = me
    hbar.Location = new Point(0, 25)
    hbar.Size = new Size(300, 25)
    hbar.Minimum = 25
    hbar.Maximum = 400
    hbar.SmallChange = 10
    hbar.LargeChange = 100
    hbar.Value = 10
    AddHandler hbar.ValueChanged, AddressOf hbar_OnValueChanged
    vbar = new VScrollBar()
    vbar.Parent = me
    vbar.Location = new Point(25, 25)
    vbar.Size = new Size(25, 300)
    vbar.Minimum = 25
    vbar.Maximum = 400
    vbar.SmallChange = 10
    vbar.LargeChange = 100
    vbar.Value = 10
    AddHandler vbar.ValueChanged, AddressOf vbar_OnValueChanged
    nupdwn = new NumericUpDown()
    nupdwn.Parent = me
    nupdwn.Location = new Point(100,100)
    nupdwn.Size = new Size(60,20)
    nupdwn.Value = 1
    nupdwn.Minimum = -10
    nupdwn.Maximum = 10
    nupdwn.Increment = .25d      "  decimal 
    nupdwn.DecimalPlaces = 2
    nupdwn.ReadOnly = true
    nupdwn.TextAlign = HorizontalAlignment.Right
    AddHandler nupdwn.ValueChanged, AddressOf nupdwn_OnValueChanged
  end sub
  private sub hbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(hbar.Value)
    Console.WriteLine(hbar.LargeChange)
  end sub
  private sub vbar_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(vbar.Value)
    Console.WriteLine(vbar.LargeChange)
  end sub
  private sub nupdwn_OnValueChanged(ByVal sender as object,ByVal e as EventArgs)
    Console.WriteLine(nupdwn.Value)
  end sub
  public shared sub Main() 
    Application.Run(new NumericUpDowns())
  end sub
end class