VB.NET选择多个控件 vb怎么选择多个控件

vb.net中控件ListBox的多项选择与输出！

Private Sub ListBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ListBox1.SelectedIndexChanged

MessageBox.Show(ListBox1.SelectedItem.ToString)

End Sub

Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

For i As Integer = 0 To 10

ListBox1.Items.Add(i.ToString)

Next

End Sub

'''''''选择多项

Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

For i As Integer = 0 To 10

ListBox1.Items.Add(i.ToString)

Next

ListBox1.SelectionMode = SelectionMode.MultiSimple

End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim item

For Each item In ListBox1.SelectedItems

MessageBox.Show(item.ToString)

Next

End Sub

相关问答

Q1: vb.net 怎么实现多个控件共同使用一个变量

把变量定义时增加Shared关键字即可.如:

Private

Shared

AAA

As

String

Public

Shared

AAA

As

String

......

这样AAA在一个应用程序里就是公用的.

------------------------------------------------------

补充:

不可能没用,我都是这样做的.

该控件使用中,自己看吧:

Public

Class

CMB_MemoryTextBox

Inherits

TextBox

#Region

"

变量定义

"

Private

Shared

p_HisData

As

STRU_DATA

'用数据表保存所有控件的历史记录

Private

Shared

p_FileName

As

String

'保存历史记录的文件名

......

Q2: vb.net 如何动态添加N个一样的textbox控件?(马上采纳)

自己在窗体上加一个按钮VB.NET选择多个控件，以下是详细代码（整个类）

Public Class Form1

Private N As Integer '用来记添加要加入textboxVB.NET选择多个控件的个数

Private PL As Integer = 10 'textbox相对于窗体VB.NET选择多个控件的Left

Private PT As Integer = 10 'textbox相对于窗体VB.NET选择多个控件的Top

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Me.AutoScroll = True '窗体自动显示滚动条

N = 10 '初始化N为10

For i = 1 To N

Dim newtextbox As New TextBox

newtextbox.Left = PL

newtextbox.Top = PT

Me.Controls.Add(newtextbox)

PT += newtextbox.Height + 10 '各 newtextbox上下间隔10-------PL不变是希望左对齐

Next

End Sub

End Class

Q3: vb.net中如何将多个单选按钮设为一组

添加一个OPTION控件VB.NET选择多个控件，复制-粘贴VB.NET选择多个控件，建立 控件组

比如复制6个

代码如下

Private Sub Command1_Click()

For i = 0 To 5

If Option1(i).Value = True Then MsgBox Option1(i).Caption "被选中"

Next

End Sub

Q4: 在vb.net中如何实现ListBox控件的多选？

把ListBoxVB.NET选择多个控件的SelectionMode 属性设置为MultiExtended就可以VB.NET选择多个控件了

如果是代码控制就是

ListBox1.SelectionMode=SelectionMode.MultiExtended

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