本文整理匯總了VB.NET中System.Windows.Forms.NumericUpDown.ValueChanged事件的典型用法代碼示例。如果您正苦於以下問題：VB.NET NumericUpDown.ValueChanged事件的具體用法？VB.NET NumericUpDown.ValueChanged怎麽用？VB.NET NumericUpDown.ValueChanged使用的例子？那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。您也可以進一步了解該事件所在類System.Windows.Forms.NumericUpDown的用法示例。
在下文中一共展示了NumericUpDown.ValueChanged事件的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1:
Private Sub NumericUpDown1_ValueChanged(sender as Object, e as EventArgs) _
Handles NumericUpDown1.ValueChanged
MessageBox.Show("You are in the NumericUpDown.ValueChanged event.")
End Sub示例2: New
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