VB.Net by API/System.Windows.Forms/NumericUpDown
Содержание
NumericUpDown.Increment
<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>
NumericUpDown.Maximum
<source lang="vbnet">
imports System imports System.Drawing imports System.Windows.Forms public class ButtonImageList : inherits Form
dim imgList as ImageList = new ImageList() dim lbl as Label dim lnk as LinkLabel dim btn as Button dim nmbrUpDown as NumericUpDown public sub New() Size = new Size(300,300) dim img as Image dim i as integer dim arFiles as string() = {"1.ico","2.ico","3.ico","4.ico"} for i = 0 to arFiles.Length - 1 img = Image.FromFile(arFiles(i)) imgList.Images.Add(img) next btn = new Button() btn.Parent = me btn.ImageList = imgList btn.ImageIndex = imgList.Images.Count - 1 btn.Location = new Point(0, 0) btn.Size = new Size(200,20) " Create numeric updown to select the image nmbrUpDown = new NumericUpDown() nmbrUpDown.Parent = me nmbrUpDown.Location = new Point(0, 60) nmbrUpDown.Value = 0 nmbrUpDown.Minimum = 0 nmbrUpDown.Maximum = imgList.Images.Count - 1 nmbrUpDown.Width = 50 nmbrUpDown.ReadOnly = true AddHandler nmbrUpDown.ValueChanged,AddressOf nmbrUpDown_ValueChanged end sub public shared sub Main() Application.Run(new ButtonImageList()) end sub private sub nmbrUpDown_ValueChanged(ByVal sender as object,ByVal e as EventArgs) dim n as NumericUpDown = CType(sender, NumericUpDown) btn.ImageIndex = CType(n.Value, Integer) end sub
end class
</source>
NumericUpDown.Minimum
<source lang="vbnet">
imports System imports System.Drawing imports System.Windows.Forms public class ButtonImageList : inherits Form
dim imgList as ImageList = new ImageList() dim lbl as Label dim lnk as LinkLabel dim btn as Button dim nmbrUpDown as NumericUpDown public sub New() Size = new Size(300,300) dim img as Image dim i as integer dim arFiles as string() = {"1.ico","2.ico","3.ico","4.ico"} for i = 0 to arFiles.Length - 1 img = Image.FromFile(arFiles(i)) imgList.Images.Add(img) next btn = new Button() btn.Parent = me btn.ImageList = imgList btn.ImageIndex = imgList.Images.Count - 1 btn.Location = new Point(0, 0) btn.Size = new Size(200,20) " Create numeric updown to select the image nmbrUpDown = new NumericUpDown() nmbrUpDown.Parent = me nmbrUpDown.Location = new Point(0, 60) nmbrUpDown.Value = 0 nmbrUpDown.Minimum = 0 nmbrUpDown.Maximum = imgList.Images.Count - 1 nmbrUpDown.Width = 50 nmbrUpDown.ReadOnly = true AddHandler nmbrUpDown.ValueChanged,AddressOf nmbrUpDown_ValueChanged end sub public shared sub Main() Application.Run(new ButtonImageList()) end sub private sub nmbrUpDown_ValueChanged(ByVal sender as object,ByVal e as EventArgs) dim n as NumericUpDown = CType(sender, NumericUpDown) btn.ImageIndex = CType(n.Value, Integer) end sub
end class
</source>
NumericUpDown.ReadOnly
<source lang="vbnet">
imports System imports System.Drawing imports System.Windows.Forms public class ButtonImageList : inherits Form
dim imgList as ImageList = new ImageList() dim lbl as Label dim lnk as LinkLabel dim btn as Button dim nmbrUpDown as NumericUpDown public sub New() Size = new Size(300,300) dim img as Image dim i as integer dim arFiles as string() = {"1.ico","2.ico","3.ico","4.ico"} for i = 0 to arFiles.Length - 1 img = Image.FromFile(arFiles(i)) imgList.Images.Add(img) next btn = new Button() btn.Parent = me btn.ImageList = imgList btn.ImageIndex = imgList.Images.Count - 1 btn.Location = new Point(0, 0) btn.Size = new Size(200,20) " Create numeric updown to select the image nmbrUpDown = new NumericUpDown() nmbrUpDown.Parent = me nmbrUpDown.Location = new Point(0, 60) nmbrUpDown.Value = 0 nmbrUpDown.Minimum = 0 nmbrUpDown.Maximum = imgList.Images.Count - 1 nmbrUpDown.Width = 50 nmbrUpDown.ReadOnly = true AddHandler nmbrUpDown.ValueChanged,AddressOf nmbrUpDown_ValueChanged end sub public shared sub Main() Application.Run(new ButtonImageList()) end sub private sub nmbrUpDown_ValueChanged(ByVal sender as object,ByVal e as EventArgs) dim n as NumericUpDown = CType(sender, NumericUpDown) btn.ImageIndex = CType(n.Value, Integer) end sub
end class
</source>
NumericUpDown.Value
<source lang="vbnet"> Imports System.Windows.Forms public class GetValueFromNumericUpDown
public Shared Sub Main Application.Run(New FrmInterestCalculator) End Sub
End class Public Class FrmInterestCalculator
Private Sub btnCalculate_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles btnCalculate.Click Console.WriteLine(Convert.ToInt32(updYear.Value)) End Sub
End Class <Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Class FrmInterestCalculator
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.btnCalculate = New System.Windows.Forms.Button Me.txtDisplay = New System.Windows.Forms.TextBox Me.lblBalance = New System.Windows.Forms.Label Me.updYear = New System.Windows.Forms.NumericUpDown Me.lblYears = New System.Windows.Forms.Label Me.txtInterest = New System.Windows.Forms.TextBox Me.lblInterest = New System.Windows.Forms.Label Me.txtPrincipal = New System.Windows.Forms.TextBox Me.lblPrincipal = New System.Windows.Forms.Label CType(Me.updYear, System.ruponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() " "btnCalculate " Me.btnCalculate.Location = New System.Drawing.Point(197, 14) Me.btnCalculate.Name = "btnCalculate" Me.btnCalculate.Size = New System.Drawing.Size(75, 23) Me.btnCalculate.TabIndex = 17 Me.btnCalculate.Text = "Calculate" " "txtDisplay " Me.txtDisplay.BackColor = System.Drawing.SystemColors.Control Me.txtDisplay.Location = New System.Drawing.Point(18, 170) Me.txtDisplay.Multiline = True Me.txtDisplay.Name = "txtDisplay" Me.txtDisplay.ReadOnly = True Me.txtDisplay.ScrollBars = System.Windows.Forms.ScrollBars.Vertical Me.txtDisplay.Size = New System.Drawing.Size(254, 104) Me.txtDisplay.TabIndex = 16 " "lblBalance " Me.lblBalance.AutoSize = True Me.lblBalance.Location = New System.Drawing.Point(17, 143) Me.lblBalance.Name = "lblBalance" Me.lblBalance.Size = New System.Drawing.Size(122, 13) Me.lblBalance.TabIndex = 15 Me.lblBalance.Text = "Yearly account balance:" " "updYear " Me.updYear.Location = New System.Drawing.Point(85, 95) Me.updYear.Maximum = New Decimal(New Integer() {10, 0, 0, 0}) Me.updYear.Minimum = New Decimal(New Integer() {1, 0, 0, 0}) Me.updYear.Name = "updYear" Me.updYear.ReadOnly = True Me.updYear.Size = New System.Drawing.Size(100, 20) Me.updYear.TabIndex = 14 Me.updYear.TextAlign = System.Windows.Forms.HorizontalAlignment.Right Me.updYear.Value = New Decimal(New Integer() {1, 0, 0, 0}) " "lblYears " Me.lblYears.AutoSize = True Me.lblYears.Location = New System.Drawing.Point(17, 102) Me.lblYears.Name = "lblYears" Me.lblYears.Size = New System.Drawing.Size(37, 13) Me.lblYears.TabIndex = 13 Me.lblYears.Text = "Years:" " "txtInterest " Me.txtInterest.Location = New System.Drawing.Point(85, 58) Me.txtInterest.Name = "txtInterest" Me.txtInterest.Size = New System.Drawing.Size(100, 20) Me.txtInterest.TabIndex = 12 Me.txtInterest.TextAlign = System.Windows.Forms.HorizontalAlignment.Right " "lblInterest " Me.lblInterest.AutoSize = True Me.lblInterest.Location = New System.Drawing.Point(17, 61) Me.lblInterest.Name = "lblInterest" Me.lblInterest.Size = New System.Drawing.Size(71, 13) Me.lblInterest.TabIndex = 11 Me.lblInterest.Text = "Interest Rate:" " "txtPrincipal " Me.txtPrincipal.Location = New System.Drawing.Point(85, 17) Me.txtPrincipal.Name = "txtPrincipal" Me.txtPrincipal.Size = New System.Drawing.Size(100, 20) Me.txtPrincipal.TabIndex = 10 Me.txtPrincipal.TextAlign = System.Windows.Forms.HorizontalAlignment.Right " "lblPrincipal " Me.lblPrincipal.AutoSize = True Me.lblPrincipal.Location = New System.Drawing.Point(17, 20) Me.lblPrincipal.Name = "lblPrincipal" Me.lblPrincipal.Size = New System.Drawing.Size(50, 13) Me.lblPrincipal.TabIndex = 9 Me.lblPrincipal.Text = "Principal:" " "FrmInterestCalculator " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(289, 288) Me.Controls.Add(Me.btnCalculate) Me.Controls.Add(Me.txtDisplay) Me.Controls.Add(Me.lblBalance) Me.Controls.Add(Me.updYear) Me.Controls.Add(Me.lblYears) Me.Controls.Add(Me.txtInterest) Me.Controls.Add(Me.lblInterest) Me.Controls.Add(Me.txtPrincipal) Me.Controls.Add(Me.lblPrincipal) Me.Name = "FrmInterestCalculator" Me.Text = "Interest Calculator" CType(Me.updYear, System.ruponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False) Me.PerformLayout() End Sub Friend WithEvents btnCalculate As System.Windows.Forms.Button Friend WithEvents txtDisplay As System.Windows.Forms.TextBox Friend WithEvents lblBalance As System.Windows.Forms.Label Friend WithEvents updYear As System.Windows.Forms.NumericUpDown Friend WithEvents lblYears As System.Windows.Forms.Label Friend WithEvents txtInterest As System.Windows.Forms.TextBox Friend WithEvents lblInterest As System.Windows.Forms.Label Friend WithEvents txtPrincipal As System.Windows.Forms.TextBox Friend WithEvents lblPrincipal As System.Windows.Forms.Label
End Class
</source>
NumericUpDown.ValueChanged
<source lang="vbnet">
imports System imports System.Drawing imports System.Windows.Forms public class ButtonImageList : inherits Form
dim imgList as ImageList = new ImageList() dim lbl as Label dim lnk as LinkLabel dim btn as Button dim nmbrUpDown as NumericUpDown public sub New() Size = new Size(300,300) dim img as Image dim i as integer dim arFiles as string() = {"1.ico","2.ico","3.ico","4.ico"} for i = 0 to arFiles.Length - 1 img = Image.FromFile(arFiles(i)) imgList.Images.Add(img) next btn = new Button() btn.Parent = me btn.ImageList = imgList btn.ImageIndex = imgList.Images.Count - 1 btn.Location = new Point(0, 0) btn.Size = new Size(200,20) " Create numeric updown to select the image nmbrUpDown = new NumericUpDown() nmbrUpDown.Parent = me nmbrUpDown.Location = new Point(0, 60) nmbrUpDown.Value = 0 nmbrUpDown.Minimum = 0 nmbrUpDown.Maximum = imgList.Images.Count - 1 nmbrUpDown.Width = 50 nmbrUpDown.ReadOnly = true AddHandler nmbrUpDown.ValueChanged,AddressOf nmbrUpDown_ValueChanged end sub public shared sub Main() Application.Run(new ButtonImageList()) end sub private sub nmbrUpDown_ValueChanged(ByVal sender as object,ByVal e as EventArgs) dim n as NumericUpDown = CType(sender, NumericUpDown) btn.ImageIndex = CType(n.Value, Integer) end sub
end class
</source>