vb.net编程词典 vb和net

VB.net是什么语言?

Visual Basic.NET是基于微软.NET Framework之上的面向对象的中间解释性语言(名片中说VB.NET是"...中间解释性语言“,这种说法极不准确,甚至完全错误。可能原编辑者是指的编译器会先将源码翻译成MSIL(Microsoft Intermediate Language)中间语言这回事,但这和”解释性语言“有很大差别),可以看作是Visual Basic在·Net Framework平台上的升级版本,增强了对面向对象的支持。但由于改动太大,导致VB.net对VB的向后兼容性不好,在业界引起不小的争议。 大多的VB.Net程序员使用Visual Studio .Net作为IDE(integrated development environment).SharpDevelop是另一种可用的开源的IDE。VB.Net需要在.Net Framework平台上才能执行。 VB.NET的主页

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详情请看百度百科:;type=synfromtitle=VB.NETfr=aladdin

vb高手请推荐一个电子版的编程词典

1.微软的MSDN

微软的网站上有试用版和在线查询,也可以搜一下

在Visual Studio中也自带了MSDN

2.visual basic.net程序员查询辞典

用VB语言制作英汉小辞典

Public Class Form1

Inherits System.Windows.Forms.Form

Public filename As String = "英汉词典.txt"

Public myword(6500, 1) As String

Public words As Integer = 0

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

Dim a As String

Dim b As Integer

Dim i As Integer = 0

Dim n As String

Dim m As String

Dim stringb As Integer

TextBox1.Text = ""

TextBox2.Text = ""

FileOpen(1, "英汉词典.txt", OpenMode.Input)

Do While Not EOF(1)

a = LineInput(1)

b = InStr(a, " ")

n = Microsoft.VisualBasic.Left(a, b - 1)

myword(i, 0) = n

ListBox1.Items.Add(n)

stringb = Len(a) - b

m = Trim(Microsoft.VisualBasic.Right(a, stringb))

myword(i, 1) = m

i += 1

Loop

words = i

FileClose(1)

End Sub

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

Dim i As Integer = -1

If TextBox1.Text = "" Then

MessageBox.Show("不能输入空格,请重新输入")

TextBox2.Text = ""

TextBox1.Focus()

Exit Sub

Else

For i = i + 1 To words

If LCase(TextBox1.Text) = LCase(myword(i, 0)) Then

TextBox2.Text = Trim(myword(i, 1))

Exit Sub

End If

Next

MessageBox.Show(" 您需要的单词不存在,请重新输入")

End If

End Sub

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

Try

TextBox1.Text = myword(ListBox1.SelectedIndex, 0)

TextBox2.Text = Trim(myword(ListBox1.SelectedIndex, 1))

Catch ex As Exception

End Try

Exit Sub

End Sub

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

Dim ch, enterwords As String

Dim j, m As Integer

If -1 = ListBox1.SelectedIndex Then

MsgBox("请选择单词", , "")

ListBox1.Focus()

Exit Sub

End If

enterwords = InputBox("请修改单词", "修改单词", Trim(myword(ListBox1.SelectedIndex, 0)))

Do While enterwords = ""

m = MsgBox("单词不能为空", MsgBoxStyle.RetryCancel, "修改单词")

If m = 4 Then

enterwords = InputBox("请修改单词", "修改单词", Trim(myword(ListBox1.SelectedIndex, 0)))

Else

Exit Sub

End If

Loop

ch = InputBox("请修改中文意思", "修改单词", Trim(myword(ListBox1.SelectedIndex, 1)))

Do While ch = ""

m = MsgBox("中文意思不能为空", MsgBoxStyle.RetryCancel, "修改单词")

If m = 4 Then

ch = InputBox("请修改中文意思", "修改单词", Trim(myword(ListBox1.SelectedIndex, 1)))

Else

Exit Sub

End If

Loop

myword(ListBox1.SelectedIndex, 1) = ch

myword(ListBox1.SelectedIndex, 0) = enterwords

FileOpen(1, filename, OpenMode.Output)

For j = 0 To words - 1

PrintLine(1, myword(j, 0) " " myword(j, 1))

Next

FileClose(1)

MsgBox("修改成功")

ListBox1.Items.Clear()

Form1_Load(sender, e)

End Sub

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

Dim i As Integer = 0

Dim k, m As Integer

Dim enterwords, ch As String

enterwords = InputBox("请输入要添加的单词", "添加单词")

Do While enterwords = ""

m = MsgBox("单词不能为空,请输入单词!", MessageBoxButtons.RetryCancel, "添加单词")

If m = 4 Then

enterwords = InputBox("请输入要添加的单词", "添加单词")

Else

Exit Sub

End If

Loop

ch = InputBox("请输入中文意思", "添加中文")

Do While ch = ""

m = MsgBox("中文不能为空,请输入中文意思!", MessageBoxButtons.RetryCancel, "添加中文")

If m = 4 Then

ch = InputBox("请输入中文意思", "添加中文")

Else

Exit Sub

End If

Loop

Do While LCase(myword(i, 0)) LCase(enterwords)

i = i + 1

If words = i Then

myword(i, 0) = enterwords

myword(i, 1) = ch

words = words + 1

FileOpen(1, filename, OpenMode.Output)

For i = 0 To words - 1

PrintLine(1, myword(i, 0) " " myword(i, 1))

Next

ListBox1.Items.Clear()

FileClose(1)

ListBox1.Items.Clear()

Form1_Load(sender, e)

MessageBox.Show("添加成功")

Exit Sub

End If

Loop

If LCase(myword(i, 0)) = LCase(enterwords) Then

MessageBox.Show("该单词已存在!")

ListBox1.SelectedIndex = i

Exit Sub

ElseIf LCase(myword(0, 0)) LCase(enterwords) Then

For k = words To 0 Step -1

myword(k + 1, 0) = myword(k, 0)

myword(k + 1, 1) = myword(k, 1)

Next

myword(0, 0) = enterwords

myword(0, 1) = ch

words = words + 1

FileOpen(1, filename, OpenMode.Output)

For i = 0 To words - 1

PrintLine(1, myword(i, 0) " " myword(i, 1))

Next

ListBox1.Items.Clear()

FileClose(1)

Form1_Load(sender, e)

MessageBox.Show("添加成功")

Exit Sub

End If

For k = words To i + 1 Step -1

myword(k + 1, 0) = myword(k, 0)

myword(k + 1, 1) = myword(k, 1)

Next k

myword(i, 0) = enterwords

myword(i, 1) = ch

words = words + 1

FileOpen(1, filename, OpenMode.Output)

For i = 0 To words - 1

PrintLine(1, myword(i, 0) " " myword(i, 1))

Next

FileClose(1)

ListBox1.Items.Clear()

Form1_Load(sender, e)

MessageBox.Show("添加成功")

Exit Sub

End Sub

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

Dim i, j, k As Integer

If -1 = ListBox1.SelectedIndex Then

MsgBox("请选择单词", , "")

ListBox1.Focus()

Exit Sub

End If

k = MsgBox("确定是否删除", MsgBoxStyle.YesNo, "提示")

If k = 6 Then

For i = ListBox1.SelectedIndex To words

myword(i, 0) = myword(i + 1, 0)

myword(i, 1) = myword(i + 1, 1)

Next

words = words - 1

FileOpen(1, filename, OpenMode.Output)

For j = 0 To words - 1

PrintLine(1, myword(j, 0) " " myword(j, 1))

Next

FileClose(1)

MsgBox("单词已删除")

ListBox1.Items.RemoveAt(ListBox1.SelectedIndex)

ListBox1.Refresh()

TextBox1.Text = ""

TextBox2.Text = ""

Exit Sub

Else

Exit Sub

End If

End Sub

Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click

TextBox1.Text = ""

TextBox2.Text = ""

End Sub

End Class

这是代码,文字性的内容自己去做。


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