VB.Net/GUI/NumericUpDown
Get value from NumericUpDown: Increment, Value and Max Value
<source lang="vbnet"> Imports System.Windows.Forms Module Module1
Sub Main() Application.Run(New Form1) End Sub
End Module
Public Class Form1
Inherits System.Windows.Forms.Form
- 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 NumericUpDown1 As System.Windows.Forms.NumericUpDown Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents Button1 As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.NumericUpDown1 = New System.Windows.Forms.NumericUpDown() Me.Label1 = New System.Windows.Forms.Label() Me.Button1 = New System.Windows.Forms.Button() CType(Me.NumericUpDown1, System.ruponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() " "NumericUpDown1 " Me.NumericUpDown1.Location = New System.Drawing.Point(104, 24) Me.NumericUpDown1.Name = "NumericUpDown1" Me.NumericUpDown1.TabIndex = 0 " "Label1 " Me.Label1.Location = New System.Drawing.Point(16, 24) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(72, 23) Me.Label1.TabIndex = 1 Me.Label1.Text = "Value" " "Button1 " Me.Button1.Location = New System.Drawing.Point(104, 72) Me.Button1.Name = "Button1" Me.Button1.TabIndex = 2 Me.Button1.Text = "Done" " "Form1 " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 117) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.Label1, Me.NumericUpDown1}) Me.Name = "Form1" Me.Text = "NumericUpDownDemo" CType(Me.NumericUpDown1, System.ruponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False) End Sub
- End Region
Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click MessageBox.Show("Value is " & NumericUpDown1.Value) End Sub Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load NumericUpDown1.Increment = 5 NumericUpDown1.Maximum = 1000 NumericUpDown1.Value = 500 End Sub
End Class
</source>
List Box and Spinner Demo
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.IO Imports System.Drawing.Printing
Public Class MainClass
Shared Sub Main() Dim myform As Form = New Form1() Application.Run(myform) End Sub
End Class Public Class User
"Public members Public Username As String Public Shared MinPasswordLength As Integer = 6 "Private members Private _password As String "Password property Public Property Password() As String Get Return _password End Get Set(ByVal value As String) If value.Length >= MinPasswordLength Then _password = value End If End Set End Property Public Shared Function CreateUser(ByVal userName As String, _ ByVal password As String) As User "Delcare a new User object Dim objUser As New User() "Set the User properties objUser.Username = userName objUser.Password = password "Return the new user Return objUser End Function
End Class Public Class Form1
"Private member Private arrUserList As New ArrayList() Private Sub UpdateDisplay() "Clear the list lstUsers.Items.Clear() "Add the users to the list box For Each objUser As User In arrUserList lstUsers.Items.Add(objUser.Username & ", " & objUser.Password & _ " (" & User.MinPasswordLength & ")") Next End Sub Private Sub Form1_Load(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles Me.Load "Load 100 users For intIndex As Integer = 1 To 100 "Create a new user Dim objUser As New User objUser = User.CreateUser("Joe" & intIndex, "password15") "Add the user to the array list arrUserList.Add(objUser) Next "Update the display UpdateDisplay() End Sub Private Sub nupMinPasswordLength_ValueChanged(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles nupMinPasswordLength.ValueChanged "Set the minimum password length User.MinPasswordLength = nupMinPasswordLength.Value "Update the display UpdateDisplay() End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads 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.nupMinPasswordLength = New System.Windows.Forms.NumericUpDown Me.Label1 = New System.Windows.Forms.Label Me.lstUsers = New System.Windows.Forms.ListBox CType(Me.nupMinPasswordLength, System.ruponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() " "nupMinPasswordLength " Me.nupMinPasswordLength.Location = New System.Drawing.Point(287, 22) Me.nupMinPasswordLength.Maximum = New Decimal(New Integer() {10, 0, 0, 0}) Me.nupMinPasswordLength.Name = "nupMinPasswordLength" Me.nupMinPasswordLength.Size = New System.Drawing.Size(84, 20) Me.nupMinPasswordLength.TabIndex = 5 Me.nupMinPasswordLength.Value = New Decimal(New Integer() {6, 0, 0, 0}) " "Label1 " Me.Label1.AutoSize = True Me.Label1.Location = New System.Drawing.Point(287, 1) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(85, 13) Me.Label1.TabIndex = 4 Me.Label1.Text = "Password Length" " "lstUsers " Me.lstUsers.FormattingEnabled = True Me.lstUsers.IntegralHeight = False Me.lstUsers.Location = New System.Drawing.Point(0, 1) Me.lstUsers.Name = "lstUsers" Me.lstUsers.Size = New System.Drawing.Size(280, 225) Me.lstUsers.TabIndex = 3 " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(383, 226) Me.Controls.Add(Me.nupMinPasswordLength) Me.Controls.Add(Me.Label1) Me.Controls.Add(Me.lstUsers) Me.Name = "Form1" Me.Text = "Shared Demo" CType(Me.nupMinPasswordLength, System.ruponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False) Me.PerformLayout() End Sub Friend WithEvents nupMinPasswordLength As System.Windows.Forms.NumericUpDown Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents lstUsers As System.Windows.Forms.ListBox
End Class
</source>
NumericUpDown Demo
<source lang="vbnet"> Imports System Imports System.Data Imports System.Windows.Forms Imports System.Drawing Imports System.Diagnostics Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1 Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub nudQuantity_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles nudQuantity.ValueChanged lblQuantity.Text = "(" & nudQuantity.Value.ToString & ")" End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads 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.nudQuantity = New System.Windows.Forms.NumericUpDown Me.Label1 = New System.Windows.Forms.Label Me.lblQuantity = New System.Windows.Forms.Label CType(Me.nudQuantity, System.ruponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() " "nudQuantity " Me.nudQuantity.Location = New System.Drawing.Point(72, 16) Me.nudQuantity.Name = "nudQuantity" Me.nudQuantity.Size = New System.Drawing.Size(48, 20) Me.nudQuantity.TabIndex = 0 " "Label1 " Me.Label1.AutoSize = True Me.Label1.Location = New System.Drawing.Point(16, 16) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(42, 13) Me.Label1.TabIndex = 1 Me.Label1.Text = "Quantity" " "lblQuantity " Me.lblQuantity.AutoSize = True Me.lblQuantity.Location = New System.Drawing.Point(160, 16) Me.lblQuantity.Name = "lblQuantity" Me.lblQuantity.Size = New System.Drawing.Size(15, 13) Me.lblQuantity.TabIndex = 2 Me.lblQuantity.Text = "(0)" " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(243, 92) Me.Controls.Add(Me.lblQuantity) Me.Controls.Add(Me.Label1) Me.Controls.Add(Me.nudQuantity) Me.Name = "Form1" Me.Text = "UseNumericUpDown" CType(Me.nudQuantity, System.ruponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False) Me.PerformLayout() End Sub Friend WithEvents nudQuantity As System.Windows.Forms.NumericUpDown Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents lblQuantity As System.Windows.Forms.Label
End Class
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