当前位置: 首页>>代码示例>>VB.NET>>正文


VB.NET NumericUpDown.ValueChanged事件代码示例

本文整理汇总了VB.NET中System.Windows.Forms.NumericUpDown.ValueChanged事件的典型用法代码示例。如果您正苦于以下问题:VB.NET NumericUpDown.ValueChanged事件的具体用法?VB.NET NumericUpDown.ValueChanged怎么用?VB.NET NumericUpDown.ValueChanged使用的例子?那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在System.Windows.Forms.NumericUpDown的用法示例。


在下文中一共展示了NumericUpDown.ValueChanged事件的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

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
开发者ID:VB.NET开发者,项目名称:System.Windows.Forms,代码行数:6,代码来源:NumericUpDown.ValueChanged

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
开发者ID:VB程序员,项目名称:System.Windows.Forms,代码行数:53,代码来源:NumericUpDown.ValueChanged


注:本文中的System.Windows.Forms.NumericUpDown.ValueChanged事件示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。