VB.Net by API/System.Windows.Forms/VScrollBar
Содержание
VScrollBar.LargeChange
<source lang="vbnet"> 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
</source>
VScrollBar.Maximum
<source lang="vbnet"> 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
</source>
VScrollBar.Minimum
<source lang="vbnet"> 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
</source>
VScrollBar.Scroll
<source lang="vbnet"> 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
</source>
VScrollBar.SmallChange
<source lang="vbnet"> 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
</source>
VScrollBar.ValueChanged
<source lang="vbnet"> 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
</source>