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vb>net書(shū)籍 visual basic net書(shū)籍

vb.net中readProcessMemory的用法

DllImport("kernel32.dll",?SetLastError:=True)?_

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Public?Shared?Function?ReadProcessMemory(ByVal?hProcess?As?IntPtr,?_

ByVal?lpBaseAddress?As?IntPtr,?_

Out()?ByVal?lpBuffer()?As?Byte,?_

ByVal?dwSize?As?Integer,?_

ByRef?lpBytesRead?As?Integer)?As?Boolean

End?Function

Dim?buffer(3)?As?Byte()

ReadProcessMemory(hProcess,?H274A024,?buffer,?buffer.Length,?bytesRead)

如果要讀不到,用逐步調(diào)試看看hProcess有沒(méi)有問(wèn)題,還要檢查H274A024是否存在。

用vb.net編寫(xiě)記事本源代碼

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("請(qǐng)輸入要查找的字詞:")

Dim Where1 '獲取需要查找的字符串變量

Text1.SetFocus '文本框獲得焦點(diǎn),以顯示所找到的內(nèi)容Search = InputBox("請(qǐng)輸入要查找的字詞:")

Where1 = InStr(Text1.Text, Search) '在文本中查找字符串

If Where1 Then

'若找到則設(shè)置選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 '測(cè)試用

'否則給出提示

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 '查找的起始位置變量

Text1.SetFocus '文本框獲得焦點(diǎn)

StartMe = Text1.SelLength + Text1.SelStart + 1 '給變量賦值

Where2 = InStr(StartMe, Text1.Text, Search) '令其從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) "文本編輯器版本號(hào)1.0" Chr(13) "由西南財(cái)經(jīng)大學(xué)天府學(xué)院" Chr(13) Space(5) "肖忠 開(kāi)發(fā)" Chr(13) Space(2) "copyright:天府學(xué)院"

End Sub

Private Sub allMenu_Click()

Text1.SelStart = 0

Text1.SelLength = Len(Text1.Text)

End Sub

Private Sub backcolorMenu_Click() '設(shè)置背景色代碼

Form1.CommonDialog1.Action = 3

Text1.BackColor = Form1.CommonDialog1.Color

End Sub

Private Sub colorMenu_Click() '改變文字顏色代碼

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() '字體菜單代碼

Form1.CommonDialog1.Flags = 3 Or 256

Form1.CommonDialog1.Action = 4

If Len(Form1.CommonDialog1.FontName) = 0 Then

Form1.Text1.FontName = "宋體"

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 = "我的記事本" "--" "未命名"

sFileName = "未命名"

Text1.FontSize = 15

Text1.FontName = "宋體"

Text1.Text = ""

Else

Call saveAsMenu_Click

Form1.Caption = "我的記事本" "--" "未命名"

sFileName = "未命名"

Text1.FontSize = 15

Text1.FontName = "宋體"

Text1.Text = ""

End If

End Sub

Private Sub openMenu_Click() '打開(kāi)文件代碼

If Len(Trim(Text1.Text)) = 0 Then

Form1.Caption = "我的記事本"

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 = "宋體"

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 = "我的記事本"

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 = "宋體"

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() '粘貼菜單代碼

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() '另存為菜單代碼

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.net和vb編程的區(qū)別

vb.net是完全面向?qū)ο蟮恼Z(yǔ)言,支持面向?qū)ο蟮乃膫€(gè)基本屬性:抽象,繼承,多態(tài),封裝,但vb是面向過(guò)程的語(yǔ)言,它只支持部分面向?qū)ο蟮膬?nèi)容像多態(tài),接口等。從 VB 7.0 之后的版本俗稱 VB.NET,來(lái)源于微軟的.NET戰(zhàn)略,到現(xiàn)在為止有三個(gè)版本

VB 7.0 即VB 2002,對(duì)應(yīng).NET Framework 1.0的版本

VB 7.1 即VB 2003,對(duì)應(yīng).NET Framework 1.1的版本

VB 8.0 即VB 2005,對(duì)應(yīng).NET Framework 2.0的版本

除了語(yǔ)法和使用習(xí)慣的繼承,VB 6.0之前的版本和VB 7.0之后的版本完全沒(méi)有聯(lián)系,幾乎沒(méi)有相同之處,兩種不同體系的語(yǔ)言

VS2010中的vb是vb。net嗎?求相關(guān)教程。

VS2010中的VB就是VB.NET。

安裝了VS可從軟件的幫助入口獲取來(lái)自微軟MSDN的豐富在線幫助文檔。它就是具有相關(guān)教程內(nèi)容的網(wǎng)絡(luò)資源。

Microsoft Visual Studio 2010,Visual Studio是微軟公司推出的開(kāi)發(fā)環(huán)境,是目前最流行的Windows平臺(tái)應(yīng)用程序開(kāi)發(fā)環(huán)境。Visual Studio 2010版本于2010年4月12日上市,其集成開(kāi)發(fā)環(huán)境(IDE)的界面被重新設(shè)計(jì)和組織,變得更加簡(jiǎn)單明了。Visual Studio 2010同時(shí)帶來(lái)了NET Framework?4.0、Microsoft Visual Studio 2010 CTP( Community Technology Preview--CTP),并且支持開(kāi)發(fā)面向Windows 7的應(yīng)用程序。除了Microsoft SQL Server,它還支持 IBM?DB2和Oracle數(shù)據(jù)庫(kù)。

VB.NET即Visual Basic.NET是基于微軟.NET Framework之上的面向?qū)ο蟮木幊陶Z(yǔ)言。

其在調(diào)試時(shí)是以解釋型語(yǔ)言方式運(yùn)作,而輸出為EXE程序是是以編譯型語(yǔ)言方式運(yùn)作。

可以看作是Visual Basic在.Net Framework平臺(tái)上的升級(jí)版本,增強(qiáng)了對(duì)面向?qū)ο蟮闹С帧4蠖嗟腣B.Net程序員使用Visual Studio .Net作為IDE(integrated development environment).SharpDevelop是另一種可用的開(kāi)源的IDE。

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