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vb.net记事本源码的简单介绍
VB.NET做一个类似记事本的可执行文件，保存时不知道怎么用代码设置保存类型（文件扩展名）
算了，都贴上，你自己看吧：
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//设置文件类型
//书写规则例如：txt files(*.txt)|*.txt
saveFileDialog.Filter = "txt files(*.txt)|*.txt|xls files(*.xls)|*.xls|All files(*.*)|*.*"
//设置默认文件名（可以不设置）
saveFileDialog.FileName = "siling-Data"
//主设置默认文件extension（可以不设置）
saveFileDialog.DefaultExt = "xml"
//获取或设置一个值，该值指示如果用户省略扩展名，文件对话框是否自动在文件名中添加扩展名。（可以不设置）
saveFileDialog.AddExtension = true
//设置默认文件类型显示顺序（可以不设置）
saveFileDialog.FilterIndex = 2
//保存对话框是否记忆上次打开的目录
saveFileDialog.RestoreDirectory = true
VB编写记事本
vb编写的简单记事本代码
Dim b As String
Dim a As String
Dim m As String
Dim x As String
Private Declare Function SetWindowPos Lib "user32" ( _
ByVal hwnd As Long, _
ByVal hWndInsertAfter As Long, _
ByVal x As Long, ByVal Y As Long, _
ByVal cx As Long, ByVal cy As Long, _
ByVal wFlags As Long _
) As Long
Const HWND_TOPMOST = -1
Const SWP_SHOWWINDOW = H40
Private Sub baocun_Click()
Dim abc As String
If Len(Trim(m)) = 0 Then
m = "f:"
End If
abc = m "\" Text2.Text ".txt"
Open abc For Output As #1
Write #1, Text1.Text
Close #1
Label2.Caption = "保存的路径为：" m "\" Text2.Text ".txt"
a = MsgBox("保存成功！" Chr(13) "是否退出程序", 4 + 64 + 0, "提示")
If a = vbYes Then
End
End If
End Sub
Private Sub Command1_Click()
Dir1.Visible = False
Drive1.Visible = False
m = Dir1.Path
Command1.Visible = False
b = MsgBox("你选的文件夹是：" m, vbYesNo + vbDefaultButton1 + 48, "提示")
If b = vbNo Then
Dir1.Visible = True
Drive1.Visible = True
Command1.Visible = True
Else
Dir1.Visible = False
Drive1.Visible = False
Command1.Visible = False
End If
End Sub
Private Sub Command2_Click()
MsgBox (App.Path + "1.ico")
End Sub
Private Sub dakai_Click()
CommonDialog1.Filter = "文本文件(*.txt)|*.txt"
CommonDialog1.ShowOpen
Open CommonDialog1.FileName For Input As #1
Dim abc As String
linefromfile = StrConv(InputB(LOF(1), 1), vbUnicode)
Text1.Text = linefromfile
Close #1
End Sub
Private Sub Drive1_Change()
Dir1.Path = Drive1.Drive
End Sub
Private Sub Form_Load()
Drive1.Drive = "f:\"
Dir1.Visible = False
Drive1.Visible = False
Command1.Visible = False
Dim fullpath As String
If Right(App.Path, 1) = "\" Then
fullpath = App.Path + "1.ico"
Else
fullpath = App.Path + "\" + "1.ico"
Form1.Icon = LoadPicture(fullpath)
End If
End Sub
Private Sub lingcunwei_Click()
Dim abc As String
CommonDialog1.ShowSave
If Len(Trim(CommonDialog1.FileName)) 0 Then
x = CommonDialog1.FileName
Else
x = "f:\1.txt"
End If
Open x For Append As #1
Write #1, Text1.Text
Close #1
End Sub
Private Sub s_Click()
Text1.FontSize = 5
End Sub
Private Sub sanhao_Click()
Text1.FontSize = 12
End Sub
Private Sub st_Click()
CommonDialog1.ShowFont
End Sub
Private Sub shybcdwjj_Click()
Dir1.Visible = True
Drive1.Visible = True
Command1.Visible = True
End Sub
Private Sub Text2_GotFocus()
Dir1.Visible = False
Drive1.Visible = False
Command1.Visible = False
End Sub
Private Sub tuichu_Click()
End
End Sub
Private Sub wh_Click()
Text1.FontSize = 10
End Sub
Private Sub whs_Click()
Text1.FontSize = 10.5
End Sub
Private Sub xinjian_Click()
Text1.Text = ""
Text2.Text = ""
End Sub
Private Sub yh_Click()
Text1.FontSize = 24
End Sub
Private Sub zstj_Click()
MsgBox "所有字数为" Len(Text1.Text), , " 字数"
End Sub
Private Sub ztys_Click()
CommonDialog1.ShowColor
Text1.ForeColor = CommonDialog1.Color
End Sub
Private Sub zzqm_Click()
Dim retValue As Long
'将窗体设置为处于所有窗口的顶层，注意在 VB 中运行时，可能不行，但编译成EXE后就可以了
retValue = SetWindowPos(Me.hwnd, HWND_TOPMOST, Me.CurrentX, Me.CurrentY, 380, 615, SWP_SHOWWINDOW)
End Sub
用vb.net编写记事本源代码
Dim sFileName As String
Dim Search
Private Sub dateTimeMenu_Click()
Text1.Text = Now
End Sub
Private Sub deleteMenu_Click()
Text1.Text = Left(Text1.Text, Text1.SelStart) + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub findMenu_Click()
Search = InputBox("请输入要查找的字词：")
Dim Where1 '获取需要查找的字符串变量
Text1.SetFocus '文本框获得焦点，以显示所找到的内容Search = InputBox("请输入要查找的字词：")
Where1 = InStr(Text1.Text, Search) '在文本中查找字符串
If Where1 Then
'若找到则设置选定的起始位置并使找到的字符串高亮
Text1.SelStart = Where1 - 1
Text1.SelLength = Len(Search)
' Me.Caption = Where1 '测试用
'否则给出提示
Else: MsgBox "未找到所要查找的字符串。", vbInformation, "提示"
End If
End Sub
Private Sub findNextMenu_Click()
Dim Where2
Dim StartMe As Integer '查找的起始位置变量
Text1.SetFocus '文本框获得焦点
StartMe = Text1.SelLength + Text1.SelStart + 1 '给变量赋值
Where2 = InStr(StartMe, Text1.Text, Search) '令其从上次找到的地方找起
If Where2 Then
Text1.SelStart = Where2 - 1
Text1.SelLength = Len(Search)
Else: MsgBox "未找到所要查找的字符串.", vbInformation, "提示"
End If
End Sub
Private Sub aboutMenu_Click()
MsgBox Space(2) "文本编辑器版本号1.0" Chr(13) "由西南财经大学天府学院" Chr(13) Space(5) "肖忠 开发" Chr(13) Space(2) "copyright:天府学院"
End Sub
Private Sub allMenu_Click()
Text1.SelStart = 0
Text1.SelLength = Len(Text1.Text)
End Sub
Private Sub backcolorMenu_Click() '设置背景色代码
Form1.CommonDialog1.Action = 3
Text1.BackColor = Form1.CommonDialog1.Color
End Sub
Private Sub colorMenu_Click() '改变文字颜色代码
Form1.CommonDialog1.Action = 3
Text1.ForeColor = Form1.CommonDialog1.Color
End Sub
Private Sub cutMenu_Click()
Clipboard.SetText Text1.SelText
Text1.Text = Left(Text1.Text, Text1.SelStart) + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub exitMenu_Click()
End
End Sub
Private Sub fontMenu_Click() '字体菜单代码
Form1.CommonDialog1.Flags = 3 Or 256
Form1.CommonDialog1.Action = 4
If Len(Form1.CommonDialog1.FontName) = 0 Then
Form1.Text1.FontName = "宋体"
Else
Form1.Text1.FontName = Form1.CommonDialog1.FontName
End If
Form1.Text1.FontSize = Form1.CommonDialog1.FontSize
If Form1.CommonDialog1.FontBold = True Then
Form1.Text1.FontBold = True
Else
Form1.Text1.FontBold = False
End If
If Form1.CommonDialog1.FontItalic = True Then
Form1.Text1.FontItalic = True
Else
Form1.Text1.FontItalic = False
End If
Text1.ForeColor = Form1.CommonDialog1.Color
End Sub
Private Sub Form_Load()
Form1.Text1.Width = Form1.Width - 130
Form1.Text1.Height = Form1.Height
End Sub
Private Sub Form_Resize()
Form1.Text1.Width = Form1.Width - 130
Form1.Text1.Height = Form1.Height
End Sub
Private Sub help1Menu_Click()
Form1.CommonDialog1.HelpCommand = cdlHelpForceFile
Form1.CommonDialog1.HelpFile = "c:\windows\system32\winhelp.hlp"
CommonDialog1.ShowHelp
End Sub
Private Sub newMenu_Click()
If Len(Trim(Text1.Text)) = 0 Then
Form1.Caption = "我的记事本" "--" "未命名"
sFileName = "未命名"
Text1.FontSize = 15
Text1.FontName = "宋体"
Text1.Text = ""
Else
Call saveAsMenu_Click
Form1.Caption = "我的记事本" "--" "未命名"
sFileName = "未命名"
Text1.FontSize = 15
Text1.FontName = "宋体"
Text1.Text = ""
End If
End Sub
Private Sub openMenu_Click() '打开文件代码
If Len(Trim(Text1.Text)) = 0 Then
Form1.Caption = "我的记事本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 4096
Form1.CommonDialog1.Action = 1
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Form1.Caption = Form1.Caption "--" Form1.CommonDialog1.FileTitle
Open sFileName For Input As #1
Text1.FontSize = 15
Text1.FontName = "宋体"
Do While Not EOF(1)
Line Input #1, Text$
All$ = All$ + Text$ + Chr(13) + Chr(10)
Loop
Text1.Text = All
Close #1
End If
Else
Call saveAsMenu_Click
Form1.Caption = "我的记事本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 4096
Form1.CommonDialog1.Action = 1
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Form1.Caption = Form1.Caption "--" Form1.CommonDialog1.FileTitle
Open sFileName For Input As #1
Text1.FontSize = 15
Text1.FontName = "宋体"
Do While Not EOF(1)
Line Input #1, Text$
All$ = All$ + Text$ + Chr(13) + Chr(10)
Loop
Text1.Text = All
Close #1
End If
End If
End Sub
Private Sub pasteMenu_Click() '粘贴菜单代码
Text1.Text = Left(Text1.Text, Text1.SelStart) + Clipboard.GetText() + Mid(Text1.Text, Text1.SelStart + Text1.SelLength + 1)
End Sub
Private Sub printMenu_Click()
Form1.CommonDialog1.ShowPrinter
For i = 1 To CommonDialog1.Copies
Printer.Print Text1.Text
Printer.Print Text1.Text
Next
Printer.EndDoc
End Sub
Private Sub saveAsMenu_Click() '另存为菜单代码
If Len(Trim(Text1.Text)) 0 Then
Form1.CommonDialog1.DialogTitle = "保存文件"
Form1.CommonDialog1.InitDir = "D:\"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 2
Form1.CommonDialog1.ShowSave
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Open sFileName For Output As #1
whole$ = Text1.Text
Print #1, whole
Close #1
End If
End If
End Sub
Private Sub saveMenu_Click()
If Len(Trim(Text1.Text)) 0 Then
Form1.CommonDialog1.DialogTitle = "保存文件"
Form1.CommonDialog1.InitDir = "D:\"
Form1.CommonDialog1.FileName = "新建文本"
Form1.CommonDialog1.Filter = "文本文件|*.txt"
Form1.CommonDialog1.Flags = 2
Form1.CommonDialog1.ShowSave
If Len(Form1.CommonDialog1.FileName) 0 Then
sFileName = Form1.CommonDialog1.FileName
Open sFileName For Output As #1
whole$ = Text1.Text
Print #1, whole
Close #1
End If
End If
End Sub
Private Sub statusMenu_Click()
End Sub
VB程序源码如何使用
你需要安装vb6.0开发软件
如果安装了，就可以直接打开源码测试了，后缀名是vbp，（就是vb的工程文件）
如果没有安装vb6.0，还想打开源码看程序，那就右击 用记事本 打开后缀名为frm的文件，他是vb的窗口文件，源码都在他里面
一般得源码是没有生成exe可执行文件的，那样文件太多，太大，浪费空间
如果你自己想生成exe可执行文件，那就vb6.0得文件菜单中把文件保存成exe可执行文件就可以了，非常简单
好运！
名称栏目：vb.net记事本源码的简单介绍
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