用vb.net编写项目移动。。。求高人指点。。。。

窗体是指由两个列表框（ListBox1、ListBox2）和4个命令按钮（Button1“”按钮，Button2“”按钮，Button3“”按钮，Button4“”按钮）所构成的界面，代码：

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Public Class Form1

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

Me.Text = "选项移动"

ListBox1.SelectionMode = SelectionMode.MultiSimple

ListBox2.SelectionMode = SelectionMode.One

For i = 1 To 10

ListBox1.Items.Add(Chr(Asc("a") + i - 1))

Next

For i = 1 To 10

ListBox2.Items.Add(i.ToString)

Next

End Sub

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

If ListBox1.SelectedItems Is Nothing Then Exit Sub

Dim b As ListBox.ObjectCollection

For i = 0 To Me.ListBox1.SelectedItems.Count - 1

Me.ListBox2.Items.Add(Me.ListBox1.SelectedItems(0))

Me.ListBox1.Items.RemoveAt(Me.ListBox1.SelectedIndices(0))

Next

End Sub

Private Sub Button3_Click(sender As System.Object, e As System.EventArgs) Handles Button3.Click

If ListBox2.SelectedItems IsNot Nothing Then

ListBox1.Items.Add(ListBox2.SelectedItem)

ListBox2.Items.Remove(ListBox2.SelectedItem)

End If

End Sub

Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click

For Each itm As Object In ListBox1.Items

ListBox2.Items.Add(itm)

Next

ListBox1.Items.Clear()

End Sub

Private Sub Button4_Click(sender As System.Object, e As System.EventArgs) Handles Button4.Click

For Each itm As Object In ListBox2.Items

ListBox1.Items.Add(itm)

Next

ListBox2.Items.Clear()

End Sub

End Class

VB.NET中标准的实体类怎么写的,请教VB高手指导

'代码来源：代码街codejie.net

'由于在vb.net里变量名不区分大小写（StuName和stuname是一样的），所以个别变量名需要修改

'在vb.net中,模块级变量的命名原则是以m_开头

Public Class Student

Private m_stuNo As String '学生号字段

Private m_stuName As String '学生姓名字段

Private m_stuAge As Integer '学生年龄字段

Private m_stuAddress As String '学生住址字段

'无参构造方法

Public Sub New()

End Sub

'有参构造方法

Public Sub New(ByVal stuNo As String, ByVal stuName As String, ByVal stuAge As Integer, ByVal stuAddress As String)

m_stuNo = stuNo

m_stuName = stuName

m_stuAge = stuAge

m_stuAddress = stuAddress

End Sub

'学生号属性

Public Property StuNo() As String

Get

Return m_stuNo

End Get

Set(ByVal value As String)

m_stuNo = value

End Set

End Property

'学生姓名属性

Public Property StuName() As String

Get

Return m_stuName

End Get

Set(ByVal value As String)

m_stuName = value

End Set

End Property

'学生年龄属性

Public Property StuAge() As Integer

Get

Return m_stuAge

End Get

Set(ByVal value As Integer)

m_stuAge = value

End Set

End Property

'学生住址属性

Public Property StuAddress() As String

Get

Return m_stuAddress

End Get

Set(ByVal value As String)

m_stuAddress = value

End Set

End Property

End Class

vb.net 集成开发的三种模式

设计模式：界面设计和代码编辑

运行模式：运行应用程序

中断模式：暂时中断运行，调试程序

怎么利用VB.NET实现三维绘图

数学上不是有斜二测画法，算好坐标即可画出

或者用AnyCAD的.Net图形控件

也可以调用matlab 实现

网站标题：vb.net三层 vbnet implements
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