в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

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2010-05-26T12:57:17Z

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==Get value from the NumericUpDown control==

<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>

==ScrollBars - NumericUpDowns==

<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>

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VB.Net Tutorial/GUI/NumericUpDown - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия