Migration nach VB .NET

Jens Häupel

Developer Platform & Strategy Group

Microsoft Deutschland GmbH

jensha@microsoft.com

Agenda

Top News - Was ist IN und was OUT Neuigkeiten, Änderungen

Migration Bevor es losgeht

Die Umstellung

Technologien für den Teilupgrade

Gegenüberstellung VB6 – VB .NETPerformance

Produktivität

VB .NET = VB6 + 1 = VB7?

Neues Konzept, neue BasisDesigned für .NET Framework

CLR, Base Class Library

Modernisierte und aufgeräumte SpracheNeue Sprachfeatures

Komplett neue Architektur

Komplett objektorientiert

VB .NET - Top News

Neues aus der IDE

Eine IDE für alle Projekte/SolutionsWeb Development

Desktop Development

Mobile Development

Start-Seite bietet Zugriff aufProjekte

Online-Ressourcen

Server ExplorerSQL Server-Administration

Zugriff auf System-Ressourcen

Neues aus der IDE

Eine IDE für alle .NET-Sprachen MyProfile Intelligente Code-Formatierung Regions Dynamische Hilfe Aufgabenbereich

Syntaxfehler

Benutzerdefinierte Kommentare

Neues aus der IDE

Klassenansicht Floating Windows XML Schema Designer Visual Studio Installer

Custom Actions als .NET Code

Benutzerdefinierte Dialoge

Macro Explorer Integrierter Internet Explorer

Neue Features von VB .NET

Überladung von FunktionenVerschiedene Signaturen

Überschreiben von FunktionenBsp: Ableiten von best. Control

Dock / Anchor - Properties

Protected Overrides Sub WndProc(ByRef msg As Message) ' Do something ' Finally: Pass message to default handler: MyBase.WndProc(msg) End Sub

Protected Overrides Sub WndProc(ByRef msg As Message) ' Do something ' Finally: Pass message to default handler: MyBase.WndProc(msg) End Sub

Neue Features von VB .NET

Einfach verbindend: WebServices ASP.NET – Code Behind Prinzip

no more Visual Interdev GDI+ Visuelle Effekte (Opacity) Leichtere Lokalisierung Visueller Menüeditor

Neue Features von VB .NET

Common Type SystemIdentische Typen für alle Sprachen

Strukturierte Ausnahmebehandlung

Try 'execute some code Catch ix As System.IO.FileLoadException 'Handle IO Exception Catch sx As System.Security.SecurityException 'Handle Security Exception Catch ex As System.Exception When Exp=True 'Handle general Exception Finally 'Execute this code always when Try block is being left End Try

Try 'execute some code Catch ix As System.IO.FileLoadException 'Handle IO Exception Catch sx As System.Security.SecurityException 'Handle Security Exception Catch ex As System.Exception When Exp=True 'Handle general Exception Finally 'Execute this code always when Try block is being left End Try

Neue Features von VB .NET

Attribute Multithreading Völlig neues Objektkonzept Vererbung

Class Object: Die Mutter aller Objekte

Visual Tab Order Editing

Sprachliche Änderungen

Array-Basis: 0 Private i, x, y As Integer i += 1, strName &= “Bob”, etc. For i As Integer = 0 To 10 ByRef / ByVal erforderlich Datentypen

Byte : 8 Bit

Integer : 16 Bit

Long : 32 Bit

Byte : 8 Bit

Short : 16 Bit

Integer : 32 Bit

Long : 64 Bit

in VB6in VB .NET

Ausgediente Controls

Spinner Line und Shape DirListBox, FileListBox, DriveListBox CommonDialog Image Frame

DomainUpDown, NumericUpDown

System.Drawing Namespace

OpenFileDialog, SaveFileDialog

Color-, Font-, PageSetup-, PrintDialog

PictureBox

GroupBox, Panel

Strengere Typüberprüfung

= Knebelung des Programmierers?

Vermeidet Programmierfehler Erzwingt explizite Konvertierung

Option Strict OnOption Strict On

Implizite Konvertierung

Dim d1 As DoubleDim s1 As Strings1 = "12,3"d1 = s1

Dim d1 As DoubleDim s1 As Strings1 = "12,3"d1 = s1

12,3 oder 123 ?12,3 oder 123 ?

Namespaces

Gruppieren verwandte ObjekteFileIO, Security, WinForms, …

Voll qualifizierte Namen für ObjekteMyGraphicLib.Drawing.Pen

vs.AnotherPersonsGraphicLib. Drawing.Pen

Vermeiden Namenskonflikte

Import von NamespacesImports System.IO

Migration nach .NET-

Bevor es losgeht

Vorüberlegungen

Alles umstellen, teilweise oder gar nicht Modular oder monolithisch? Größe der Projekte Abgeschlossen oder in ständiger

Weiterentwicklung Art der Projekte Verwendete Technologien und

Sprachelemente Codequalität

Auswahl / Bewertung

Welche Vorteile bringt die Umstellung?Standardisierung auf einer Plattform

Skalierbarkeit

Verbesserung der Architektur

Einfachere Weiterentwicklung

Bessere Interoperabilität mit anderen Sprachen

Neue Features, bessere Leistung

Aufwand bewerten Schritte planen

Upgrade Überlegungen

Nicht-upgradebare Technologien

Technologie Empfehlung

Visual Basic 6.0 drawing model In VB6 belassen oder in GDI+ neu

DAO and RDO data binding Update nach ADO oder ADO.NET

Dynamic Data Exchange (DDE) In VB6 belassen oder alternate Methode verwenden

OLE Container Control In VB6 belassen

Visual Basic 5.0 controls Upgrade nach Visual Basic 6.0 bzw. Danach nach Visual Basic .NET

DHTML Applications Leave; can work with .NET

Microsoft® ActiveX® Arbeitet über COM interop mit .NET

Property pages In VB6 belassen

UserControls In VB6 belassen - can work with .NET

WebClasses In VB6 belassen - can work with .NET

Wie herangehen?

Aufspalten in Teilprojekte COM Komponenten weiter verwenden

COM Interop Abhängigkeitshierarchie

(Client Middle Tier Server)

ClientClient

Middle TierMiddle Tier

ServerServer

COM InteropCOM Interop

COM InteropCOM Interop

.NET.NET

.NET.NET

.NET.NET

COMCOM

COMCOM

.NET.NET

.NET.NET

Migration: Vorbereitung Code vor dem Konvertieren analysieren Alte Konstrukte beseitigen

DefInt, DefStr, Def*…

GoTo, GoSub .. Return

VarPtr, ObjPtr, StrPtr, Lset

Option Base <> 0

Strings fester Länge

Implizite Deklaration

Private Sub Test() Variable1 = "Test" Variable1 = Varialbe1 & "-Lauf" Debug.Print Variable1End Function

Private Sub Test() Variable1 = "Test" Variable1 = Varialbe1 & "-Lauf" Debug.Print Variable1End Function

Migration: Vorbereitung

Alte Konstrukte beseitigenImplizite Typkonvertierung

Late Binding

Werte für Konstanten

Variants

Private Function Test(x, y) Test = x + yEnd Function

Private Function Test(x, y) Test = x + yEnd Function

Me.MouseCursor = 3

Me.MouseCursor = 3

Migration: Vorbereitung

Implizite Erstellung von Instanzen

Dim c as MathLib.MyClassSet c = New MathLib.MyClassc.CallAMethodSet c = Nothingc.CallAMethod

Dim c as MathLib.MyClassSet c = New MathLib.MyClassc.CallAMethodSet c = Nothingc.CallAMethod

Dim c as New MathLib.MyClassc.CallAMethodSet c = Nothingc.CallAMethod

Dim c as New MathLib.MyClassc.CallAMethodSet c = Nothingc.CallAMethod

' RunTime Error ' RunTime Error

' will execute ' will execute

VB6 Code Advisor

Migrationsanalyse in VB6

Download URL:

http://www.microsoft.com/downloads/details.aspx?familyid=A656371A-B5C0-4D40-B015-0CAA02634FAE&displaylang=en

Migration nach .NET-

Die Umstellung

VB .NET Upgrade Wizard

VB6 und VB .NET installiert Ebenso:

verwendete Controls

Keine gegen-seitigeBeeinflussung

VB .NET Upgrade Wizard

Es ist Ihr Code!Struktur bleibt erhalten

Kommentare ebenso

Microsoft.VisualBasic.Compatibility

Prinzipien

VB .NET Upgrade Wizard

Nach dem Auto-Upgrade

UpgradeReport.htm Inline Kommentare Log File UpgradeSupport.VB Referenzen

Alte COM Controls

TypeLibraries

Microsoft.VisualBasic.Compatibility

UpgradeReport

Code-Änderungen

Kommentare im Code

UPGRADE_ISSUE

UPGRADE_TODO

UPGRADE_WARNING

UPGRADE_NOTE

UpgradeSupport.vb

Friend-Objekte DAO, RDO, …

Upgrade Sample

Demo:

Upgrade eines VB6-Programmes

Endziele

Verzichten auf die Compatibility Lib.NET Befehle verwenden

Keine ActiveX Controls.NET Controls einsetzen

Keine Win32 APIs.NET Klassen verwenden

Code Snippet Tool

Visual Studio .NET IDE Tool Teilupgrade per Snippet

Cut & Paste

Type Code

Technologien für den Teilupgrade

Hello COM - .NET is calling

COM Components in .NET

.NET object

COM object RCW

IUnknown

IDispatch

.NET Components in COM

COM object CCW

.NET object

IUnknown

IDispatch

COM in .NET

Runtime Callable Wrapper (RCW)

Erzeugen / Binden an COM Objekt

Bedient COM Interfaces und übernimmt Transformation in managed Code

Data Marshaling

Lifetime Managment des COM Objekts

COM HRESULT .NET Exceptions Beachten Sie

Datentypen (variants, ...)

Primary Interop Assemblies (PIA)

Deployment

.NET in COM

COM Callable Wrapper (CCW)

Erzeugen / Binden an managed Objekt

Simuliert COM interfaces (IUnknown and IDispatch)

Data Marshaling

Lifetime Managment der .NET Komponente

.NET Exception COM HRESULT Beachten Sie

Datentypen (Variants, ...)

Default constructor

Deployment

Upgrade von ActiveX Controls

Einige Controls werden nicht supported Einige Controls wurden ersetzt in .NET Alle anderen per Wrapper-Klassen

A.ocx Interop.AxA.Interop.AxA.DLLDLL

AxInterop.AxA.AxInterop.AxA.DLLDLL

Windows Windows FormForm

• COM InteropCOM Interop• TranslationTranslation

• Extended Extended properties properties

VB6 - VB .NET-

Gegenüberstellung

Eventhandling in VB6

Ein Eventhandler für jedes Objekt

Eventhandling in VB .NET

Eine Routine behandelt mehrere gleiche Events

Handles-Klausel Signatur

Menüs in VB .NET

Wysiwyg Menü-Editor

Eventhandler

Private Sub OnClickHandler(ByVal sender As System.Object, _Private Sub OnClickHandler(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles mnuProp.ClickByVal e As System.EventArgs) Handles mnuProp.Click

End SubEnd Sub

Context-Menüs in VB .NET

Private Sub MouseUpHandler(ByVal sender As Object, _Private Sub MouseUpHandler(ByVal sender As Object, _ ByVal e As System.Windows.Forms.MouseEventArgs) _ByVal e As System.Windows.Forms.MouseEventArgs) _ Handles MyBase.MouseUpHandles MyBase.MouseUp

If e.Button = MouseButtons.Right ThenIf e.Button = MouseButtons.Right Then ContextMenu1.Show(Me, New Drawing.Point(e.X, e.Y))ContextMenu1.Show(Me, New Drawing.Point(e.X, e.Y)) End IfEnd If

End SubEnd Sub

Private Sub MenuOnClickHandler(ByVal sender As System.Object, _Private Sub MenuOnClickHandler(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles mnuSendMail.ClickByVal e As System.EventArgs) Handles mnuSendMail.Click

Dim mnuItem As MenuItem = DirectCast(sender, MenuItem)Dim mnuItem As MenuItem = DirectCast(sender, MenuItem) ' Do something' Do something

End SubEnd Sub

Eventhandler

Anzeigen des Menüs

File IO in VB6

4,2 s für 1000 Durchläufe4,2 s für 1000 Durchläufe

File IO in VB .NET

.NET-Methode

Traditionelle VB-Methode

2,6 s2,6 s

1,3 s für 1000 Durchläufe1,3 s für 1000 Durchläufe

DoDragDrop()DoDragDrop()

Drag & Drop

MouseDownMouseDown

DragEnterDragEnter

DragDropDragDrope.Effecte.Effect

e.Data.GetData()e.Data.GetData()

Target ControlTarget ControlSource ControlSource Control

DragDropResultDragDropResult

Drag & Drop

Demo:

Drag & Drop eines Bitmap

Drucken in VB.NET

Globales Printer Object wird ersetzt durch: PrintDocument PrintDialog PrintPreview

(sichtbar)

PrintPreviewDialog

MSDN:.NET Framework QuickStarts .NET Samples - Windows Forms: Printing

MSDN:.NET Framework QuickStarts .NET Samples - Windows Forms: Printing

Drucken: Prinzip

PrintPage Event:

Win32 APIs bzw. Pinvoke

Aufruf von unmanaged System Code

Pinvoke in VB .NET

Win32 APIs in VB6

Kein 'As Any' Type mehr in .NET !!Kein 'As Any' Type mehr in .NET !!

PInvoke (advanced)

Attribute spezifizieren genauer

Win32 API

.NET Framework bieten Win32 API Funktionalität

Leichter nutzbar als Win32 API Framework Class Library Beispiele

System.Diagnostics

System.Drawing

System.Environment

System.Win32

u.a.

ADO versus ADO.NET

ActiveX Data Objects

Vielzahl von Datenquellen

Connected und disconnected

XML Support enthalten

COM-basierend

Native .NET Komponente

Vielzahl von Datenquellen

Entwickelt für ver-bindungslosen Zugriff

Von vorn herein für XML entwickelt

.NET-basierend

ADOADO ADO.NETADO.NET

ADO versus ADO.NET

Demo:

Migration von ADO-Projekten

Angebot

VB Resource Kit (im Web) Special Offer:

VB Res Kit + VS .NET Trial Version60 Tage testen

Sample Apps: WinForms, Web, Data Access, WebServices

ComponentOne Studio Enterprise

Free & Trial Components

Tech. Infos zum Upgrade nach VB .NET

Tools

…

Ressourcen

Ressourcen

VB @ MSDNhttp://msdn.microsoft.com/vbasichttp://www.microsoft.com/germany/msdn/default.mspx

GotDotNet: The Microsoft .NET Framework Community http://www.gotdotnet.com

Bücher:http://www.microsoft.com/germany/ms/mspressnet/index.htmhttp://www.microsoft.com/mspress/books/index/6510.asphttp://www.dotnetbooks.com/http://www.kofler.cc/vbnet.htmlhttp://www.amazon.de/exec/obidos/search-handle-form/ref=sr_sp_go_as/028-7168974-2906165

Communityhttp://www.microsoft.com/germany/ms/msdncommunity/Newsgroups auf msnews.microsoft.com

For More Information…

101 Visual Basic Code Samplesmsdn.microsoft.com/vbasic/downloads/samples/

For Windows developerswindowsforms.net (TaskVision)

For Web developerswww.asp.net (ASP.NET Starter Kits)

Time Tracker Reporting

eCommerce (IBuySpy store)

Portal (IBuySpy portal)

Community

Upgradingmsdn.microsoft.com/vbasic/techinfo/articles/

upgrade/

Training and Training and EventsEvents

MSDN Webcasts, MSDN Online MSDN Webcasts, MSDN Online Seminars, Tech·Ed, PDC, Developer DaysSeminars, Tech·Ed, PDC, Developer Days

MSDN

Essential Resources for Developers

Subscription Subscription ServicesServices

OnlineOnlineInformationInformation

MembershipMembershipProgramsPrograms

Print Print PublicationsPublications

Library, OS, Professional, Enterprise, Library, OS, Professional, Enterprise, Universal Delivered via CD-ROM, DVD, WebUniversal Delivered via CD-ROM, DVD, Web

MSDN Online, MSDN Flash, How-to MSDN Online, MSDN Flash, How-to Resources, Download CenterResources, Download Center

MSDN User GroupsMSDN User Groups

MSDN Magazine MSDN Magazine MSDN NewsMSDN News

How-to Resources

Simple, Step-by-Step Procedures

Embedded development How-to resources General How-to resources Integration How-to resources JScript .NET How-to resources Microsoft .NET development How-to resources Office development resources Security How-to resources Microsoft Visual Basic .NET How-to resources Microsoft Visual C# .NET How-to resources Microsoft Visual Studio .NET How-to resources Web development How-to resources (ASP, IIS, XML) Web services How-to resources Windows development How-to resources

http://msdn.microsoft.com/howto

MSDN Webcasts

Interactive, Live Online Events

Interactive, synchronous, live online events

Discuss the hottest topics from Microsoft Open and free for the general public Take place every Tuesday

http://www.microsoft.com/usa/webcasts

MSDN Subscriptions

The Way to Get Visual Studio .NET

Visual Studio .NETVisual Studio .NET MSDN SubscriptionsMSDN Subscriptions

NE

W

ProfessionalProfessional• Tools to build applications Tools to build applications

and XML Web services for and XML Web services for Windows and the WebWindows and the Web

MSDN ProfessionalMSDN Professional

MSDN EnterpriseMSDN Enterprise

MSDN UniversalMSDN Universal

Enterprise DeveloperEnterprise Developer• Enterprise lifecycle toolsEnterprise lifecycle tools• Team development supportTeam development support• Windows Server 2003 and Windows Server 2003 and

SQL Server™SQL Server™

Enterprise ArchitectEnterprise Architect• Software and data modelingSoftware and data modeling• Enterprise templatesEnterprise templates• Architectural guidanceArchitectural guidance

Where Can I Get MSDN?

Visit MSDN Online atmsdn.microsoft.com

Register for the MSDN Flash e-mail newsletter at msdn.microsoft.com/flash

Become an MSDN CD subscriber at msdn.microsoft.com/subscriptions

MSDN online seminarsmsdn.microsoft.com/training/seminars

Attend more MSDN events

Microsoft Press®

Essential Resources for Developers

Microsoft Visual Studio .NET is here!Microsoft Visual Studio .NET is here!This is your chance to start building the next big This is your chance to start building the next big

thing. Develop your .NET skills, increase your thing. Develop your .NET skills, increase your productivity with .NET books from Microsoft Pressproductivity with .NET books from Microsoft Press

www.microsoft.com/mspresswww.microsoft.com/mspress

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What is MCSD?Premium certification for professionals who

design and develop custom business solutions

How do I attain MCSD certification?Certification requires passing four exams to

prove competency with Microsoft solution architecture, desktop applications, distributed application development, and development tools

Where do I get more information?For more information about certification

requirements, exams, and training options, visit www.microsoft.com/mcp

Training

Training Resources for Developers

Course Title: Course Number: Application Upgrade and Interoperability with

Visual Studio.NET

Availability: 2571

Detailed Syllabus: www.microsoft.com/traincert

To locate a training provider for this course, please accessTo locate a training provider for this course, please access

www.microsoft.com/traincertwww.microsoft.com/traincert Microsoft Certified Technical Education Centers Microsoft Certified Technical Education Centers

are Microsoft’s premier partners for training servicesare Microsoft’s premier partners for training services

Basics of Visual Basic .NET

.NET Framework and Tools

Operating SystemOperating System

Common Language RuntimeCommon Language Runtime

Base Class LibraryBase Class Library

ADO .NET and XMLADO .NET and XML

ASP .NETASP .NETWeb Forms Web ServicesWeb Forms Web Services

Mobile Internet ToolkitMobile Internet Toolkit

WindowsWindowsFormsForms

Common Language SpecificationCommon Language Specification

Visual Visual BasicBasic C++C++ C#C# MicrosoftMicrosoft®®

Visual J#Visual J#®® …… Mic

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© 2003 Microsoft Corporation. All rights reserved.© 2003 Microsoft Corporation. All rights reserved.This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

Microsoft, MSDN, Visual Basic, Windows, Visual J#, Visual Studio, Visual C#, Visual C++, IntelliSense, ActiveX, JScript, and Microsoft Press are either registered trademarks Microsoft, MSDN, Visual Basic, Windows, Visual J#, Visual Studio, Visual C#, Visual C++, IntelliSense, ActiveX, JScript, and Microsoft Press are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks

of their respective owners.of their respective owners.