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vb.net背单词 vba单词
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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