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2 I NHALTSVERZEICHNIS Visual C#.NET - Fortgeschr ittene Programmierung 1 Was Sie wissen sollten Mit Threads arbeiten Einführung Threads verwenden Sperren und Synchronisieren von Threads Sperren von Threads mit lock Deadlocks Synchronisieren von Threads mithilfe der Klasse Mutex Synchronisieren von Threads mithilfe der Klasse Monitor Die Klasse Timer Die Klasse ThreadPool Übung Assemblies analysieren, verwalten und schützen Assemblies analysieren Assemblies und Module ermitteln Typen und Typmember ermitteln Attribute IL-Code betrachten Assemblies und Typen dynamisch erstellen Assemblies verwalten Assemblies schützen Signieren mit digitalem Zertifikat Vergeben von starken Namen Verbergen von Informationen Übung Menüs dynamisch erzeugen Menüs dynamisch verändern Dialoge Statuszeilen Symbolleisten Hinweise (ToolTips) anzeigen Fehlermeldungen anzeigen Hilfe anzeigen MDI-Fenster Übung Mit dem Grafikobjekt zeichnen Einführung Objekte vom Typ Graphics erzeugen Zeichenwerkzeuge und -farben Zeichnen mit Pen-Objekten Zeichnen mit Brush-Objekten Text grafisch darstellen Bilder erzeugen und anzeigen Benutzerdefinierte Farben verwenden Grafiken skalieren, verschieben und drehen Globale Transformation Lokale Transformation Doppelte Pufferung Übung Druckausgabe Ereignisorientiertes Drucken Komponenten für die Druckausgabe Drucken von mehrseitigen Texten Übung Betriebssystem analysieren und steuern Systeminformationen ermitteln Auflisten von Prozessen, Modulen und Threads Arbeiten mit Ereignisprotokollen Performanceinformationen Windows-Prozesse starten und beenden Übung Windows-Anwendungen entwickeln Grundlagen Formulare Aufteilen der Benutzeroberfläche Menüs Hauptmenü Kontextmenü Menüeinträge mit Symbolen versehen Datenbankanwendungen - Grundlagen Aufbau und Funktion einer Datenbank Einführung in SQL Sprachumfang von SQL Die Datendefinitionssprache DDL Die Abfragesprache DQL Datenaktualisierung mit DML Der Join XML ADO.NET Datenbankanwendungen mit ADO.NET Vorbereitungen Installation und Einrichtung der MSDE Erzeugen einer Access- Beispieldatenbank...121

3 Inhaltsverzeichnis I Erzeugen einer Beispieldatenbank mit SQL Server Einrichten der Datenverbindung zur Access-Datenbank Datenzugriff auf eine Access-Datenbank Datenzugriff auf eine SQL-Server- Datenbank Datensätze hinz ufügen oder löschen Daten suchen und sortieren Daten im XML-Format speichern oder laden Gebundene Steuerelemente Datenzugriff über SQL Transaktionen Parallelitätssteuerung Erstellen eines Reports Übung Typbibliotheken und Komponenten entwickeln Einführung Klassenbibliotheken erstellen Komponenten bzw. Steuerelemente anpassen Eigene Komponenten entwickeln Steuerelemente erstellen Übung Interaktion mit unverwaltetem Programmcode Einführung Zugriff auf Routinen des Windows-API Einbinden von COM- bzw. ActiveX- Komponenten Unsichere Codeblöcke Übung Netzwerk und Internet Grundlagen Netzwerke und Protokolle Adressierung Klassen für die Speicherung von Internet- Adressen Internetprotokoll-Adressen URIs Socket-Programmierung Asynchrone Socket-Programmierung Anwendungsbeispiele: HTTP- bzw. Web- Request Übung XML-Webdienste Grundlagen und Voraussetzungen Webdienste nutzen Eigene Webdienste erstellen Einen Webdienst weitergeben Übung Office-Automatisierung Grundlagen Objektmodell der Office-Programme Arten der Automatisierung Makros aufrufen oder nachbilden Excel per ADO.NET Übung Reguläre Ausdrücke Suchen und Ersetzen mit regulären Ausdrücken Mustererkennung mit regulären Ausdrücken Optionen für reguläre Ausdrücke Zeichenklassen verwenden Wiederholungen angeben Verankerung von Mustern Alternativen angeben Splitten von Zeichenfolgen Gruppieren mit Klammern Regeln für das Verwenden regulärer Ausdrücke Ersetzen von Textteilen mit regulären Ausdrücken Substitution verwenden Rückverweise verwenden Übung Stichwortverzeichnis...236

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10 3 Visual C#.NET - Fortgeschr ittene Programmierung using System; using System.Reflection; namespace Attribute1 [AttributeUsage(AttributeTargets.Method)] public class Autor : Attribute private string fautor; public Autor(string name) fautor = name; [Obsolete("Diese Klasse ist veraltet!")] public class Test [Autor("Frank Müller")] public int Summe(int a, int b) return a + b; class Ablauf static void Main() Test te; Assembly a = Assembly.GetExecutingAssembly(); Type t = a.gettype("attribute1.test"); foreach (MemberInfo m in t.getmembers()) foreach(attribute at in m.getcustomattributes(false)) Console.WriteLine(at); Console.ReadLine(); +LHU ZLUG GDV EHQXW]HUGHILQLHUWH $WWULEXW Autor GHNODULHUW %HL GHU 'HNODUDWLRQ HLQHV $WWULEXWV NDQQ GDV $WWULEXW AttributeUsage YHUZHQGHW ZHUGHQ 0LWKLOIH HLQHU.RQVWDQWHQ DXV GHU $XI]lKOXQJ AttributeTargets OlVVW VLFK IHVWOHJHQ I U ZHOFKH 7\SHQ RGHU 7\SPHPEHU GDV $WWULEXW JHOWHQ VROO,Q GLHVHP )DOO JLOW HV I U 0HWKRGHQ hehu GHQ.RQVWUXNWRU ZLUG YRP $WWULEXW HLQ $XWRUHQQDPH HQW JHJHQJHQRPPHQ =X 'HPRQVWUDWLRQV]ZHFNHQ HUKlOW GLH.ODVVH Test GDV $WWULEXW Obsolete 'LH.ODVVH Test EHVLW]W HLQH 0HWKRGH GLH PLW GHP EHQXW]HUGHILQLHUWHQ $WWULEXW Autor JHNHQQ]HLFKQHW LVW $Q GLHVHU 6WHOOH UHDJLHUW GHU &RPSLOHU DXI GDV $WWULEXW Obsolete XQG ZDUQW YRU YHUDOWHWHP &RGH 0LWKLOIH GHU 0HWKRGH GetCustomAttributes ZHUGHQ DOOH EHQXW]HUGHILQLHUWHQ $WWULEXWH GHU 0HWKRGHQ GHU.ODVVH Test HUPLWWHOW LQ GLHVHP )DOO QXU HLQV XQG DXI GHP %LOGVFKLUP DXVJHJHEHQ 'HU 3DUDPHWHU false JLEW DQ GDVV QLFKW QDFK JHHUEWHQ $WWULEXWHQ JHVXFKW ZHUGHQ VROO

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12 3 Visual C#.NET - Fortgeschr ittene Programmierung using System; using System.Threading; using System.Reflection; using System.Reflection.Emit; public class Ablauf static void Main() AppDomain asdomain = Thread.GetDomain(); AssemblyName asname = new AssemblyName(); asname.name = "HalloWelt"; asname.version = new Version(1, 0, 0, 0); AssemblyBuilder asbuilder = asdomain.definedynamicassembly(asname, AssemblyBuilderAccess.Save); ModuleBuilder modbuilder = asbuilder.definedynamicmodule("hallowelt", "HalloWelt.exe"); TypeBuilder tbuilder = modbuilder.definetype("hallowelt", TypeAttributes.Public); MethodBuilder mbuilder = tbuilder.definemethod("main", (MethodAttributes.Public MethodAttributes.Static), null, null); ILGenerator igenerator = mbuilder.getilgenerator(); for( int i = 1; i <= 10000; i++) igenerator.emitwriteline(i.tostring() + " Hallo Welt!"); igenerator.emit(opcodes.ret); tbuilder.createtype(); MethodInfo m = tbuilder.getmethod("main"); asbuilder.setentrypoint(m); asbuilder.save("hallowelt.exe"); Console.ReadLine(); System.Diagnostics.Process.Start("HalloWelt.exe"); Console.ReadLine(); 'LH $QZHQGXQJVGRPlQH GHV DNWXHOOHQ 7KUHDGV ZLUG HUPLWWHOW XQG GHU 9DULDEOHQ asdomain ]XJHZLH VHQ (LQH,QVWDQ] YRP 7\S AssemblyName ZLUG HU]HXJW 6LH ZLUG EHQ WLJW XP GHQ 1DPHQ XQG GLH 9HUVLRQVQXPPHU GHU $VVHPEO\ IHVW]XOHJHQ 'LH $VVHPEO\ ZLUG LQQHUKDOE GHU $QZHQGXQJVGRPlQH PLW GHP DQJHJHEHQHQ 1DPHQ GHNODULHUW 'XUFK GHQ ]ZHLWHQ 3DUDPHWHU ZLUG IHVWJHOHJW GDVV GLH $VVHPEO\ QLFKW QXU LP 6SHLFKHU HU]HXJW VRQGHUQ GDXHUKDIW JHVSHLFKHUW ZHUGHQ VROO $Q GLHVHU 6WHOOH ZLUG LQQHUKDOE GHU $VVHPEO\ HLQ 0RGXO DQJHOHJW 'D]X ZHUGHQ GHU 1DPH GHV 0RGXOV XQG GHU 'DWHLQDPH GHU $VVHPEO\ DOV 3DUDPHWHU EHUJHEHQ,QQHUKDOE GHV 0RGXOV ZLUG HLQH IIHQWOLFKH.ODVVH PLW GHP 1DPHQ HalloWelt GHNODULHUW 'LH.ODVVH HalloWelt HUKlOW HLQH DOV Public XQG Static GHNODULHUWH 0HWKRGH Main 'LH 0HWKRGH ZLUG HLQHU 9DULDEOHQ YRP 7\S MethodBuilder ]XJHZLHVHQ ) U GLH 0HWKRGH Main ZLUG HLQ,QWHUPHGLDWH /DQJXDJH *HQHUDWRU HU]HXJW PLW GHVVHQ 0HWKRGHQ GHU,/ &RGH I U GLH 0HWKRGH Main JHQHULHUW ZHUGHQ NDQQ 'LH G\QDPLVFK HUVWHOOWH 0HWKRGH Main HUKlOW HLQH $QZHLVXQJ GXUFK GLH HLQH 0HOGXQJ ZLHGHUKROW DXI GHP %LOGVFKLUP DXVJHJHEHQ ZLUG 'LH G\QDPLVFK HU]HXJWH 0HWKRGH Main ZLUG DQ GLHVHU 6WHOOH DEJHVFKORVVHQ 6LH JLEW NHLQHQ :HUW ]XU FN

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14 3 Visual C#.NET - Fortgeschr ittene Programmierung Assembly asm = CreateAssemblyFromFile(@"..\..\Code.cs"); object o = asm.createinstance("codegenerator.test"); Type t = o.gettype(); MethodInfo mi = t.getmethod("testmethode"); object[] par = new object[1]; par[0] = "Dies ist ein Test!"; mi.invoke(o, par); Console.ReadLine(); (LQH,QVWDQ] YRP 7\S CSharpCodeProvider ZLUG HU]HXJW XQG HLQHU 2EMHNWYDULDEOHQ GHU %DVLVNODVVH CodeDomProvider ]XJHZLHVHQ $Q GLHVHU 6WHOOH ZLUG GDV &RPSLOHUREMHNW HUVWHOOW XQG HLQHU 6FKQLWWVWHOOHQYDULDEOHQ YRP 7\S ICodeCompiler ]XJHZLHVHQ hehu HLQH,QVWDQ] YRP 7\S CompilerParameters N QQHQ 3DUDPHWHU I U GDV.RPSLOLHUHQ IHVWJHOHJW ZHUGHQ 'LHVHU 3DUDPHWHU EHVWLPPW GDVV GLH $VVHPEO\ LP $UEHLWVVSHLFKHU HU]HXJW ZLUG,Q GLHVHU =HLOH HUIROJW GLH.RPSLOLHUXQJ 'LH 3DUDPHWHU XQG GHU 'DWHLQDPH ZHUGHQ EHUJHEHQ :HQQ HV ]X NHLQHP )HKOHU NRPPW ZLUG GLH NRPSLOLHUWH $VVHPEO\ ]XU FNJHJHEHQ,Q GHU +DXSWPHWKRGH ZLUG ]XQlFKVW GLH $VVHPEO\ DXV GHU LP3URMHNWYHU]HLFKQLV EHILQGOLFKHQ 'DWHL HU ]HXJW $QVFKOLH HQG ZLUG HLQH,QVWDQ] GHU LQ GHU HU]HXJWHQ $VVHPEO\ YRUKDQGHQHQ.ODVVH Test HUVWHOOW 0LWKLOIH GHV 7\SV XQG GHVVHQ 0HWKRGH GetMethod ZLUG GLH (LQVSUXQJDGUHVVH GHU 0HWKRGH Testmethode HUPLWWHOW 'DV ]X EHUJHEHQGH 3DUDPHWHUDUUD\ YRP 7\S object ZLUG HUVWHOOW (V HQWKlOW LQ GLHVHP )DOO QXU HLQHQ 3DUDPHWHU $Q GLHVHU 6WHOOH HUIROJW GHU $XIUXI GHU 0HWKRGH Testmethode :HQQ 6LH PLW GHP JOHLFKHQ &RGH HLQ 6FULSW PLW 9LVXDO %DVLF 1(7&RGH YHUDUEHLWHQ ZROOHQ P VVHQ 6LH VWDWW GHU,QVWDQ] YRP 7\S CSharpCodeProvider HLQH,QVWDQ] GHU.ODVVH VBCodeProvider HU]HXJHQ 3.2 Assemblies verwalten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nhalt des GAC anzeigen giiqhq 6LH GHQ :LQGRZV([SORUHU PLW GHU 7DVWHQNRPELQDWLRQ á E XQG QDYLJLHUHQ 6LH LQ,KU :LQGRZV9HU]HLFKQLV giiqhq 6LH GDV 8QWHUYHU]HLFKQLV?DVVHPEO\

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