用VB语言制作英汉小辞典

Public Class Form1

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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。

vb.net使用如密狗

加密狗怎么使用，分为以下几个步骤。

1、做加密软件之前先安装好客户端CodeMeterSDK。打开客户端，进入CodeMeter功能导航界面。

2、打开AxProtector自动加密工具。打开加密工具界面后，选择您要加密的程序类型，根据开发者软件的特点进行选择。

VB.net的快捷键

1． F12：转到定义；Shift+F12：转到引用

2． F5：启动；Ctrl+F5：开始执行（不调试）；Shift+F5：停止调试

3． F7：查看代码；Shift+F7：查看视图设计器

4． Ctrl+Alt+L：解决方案资源管理器

5． Ctrl+Alt+J：对象浏览器

6． F4：显示属性窗口

7． Ctrl+Alt+X：工具箱

8． Ctrl+Alt+C类视图

9． Alt+Enter：查看属性

10．F10：逐过程调试

11．F11：逐语句调试

12．Ctrl+B：新断点

13．Ctrl+Shift+F9：清除所有断点

14．Ctrl+Shift+B生成解决方案

15．Shift+Alt+Enter：全屏

16．大纲显示：Ctrl+M, Ctrl+M：切换大纲显示展开；Ctrl+M, Ctrl+L：切换所有大纲显示；Ctrl+M,Crtl+P停止大纲显示；Ctrl+M, Ctrl+O：折叠到定义

17．智能感知：Ctrl＋J：列出成员；Ctrl+Shift+空格：参数信息； Ctrl+K,Ctrl+I：快速信息；Alt+右箭头键：完成单词

VB.NET 中的sub和end sub啥意思？是什么单词的缩写？

sub一般情况下是一个英文前缀，有向下的意思，比如subway（地铁）

submarine（潜水艇）

在计算机中一般是“子……”的意思，比如SubString（子字符串），SubItems（子项）

这儿呢，sub就是指一个“子过程”，一般就简称“过程”，面向对象概念中也叫“方法”。

end

sub标志着子过程的结束，也就是说在sub与end

sub之间，就是这个子过程的内容。

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