Pro CSharp And The .NET 2.0 Platform (2005) [eng]

Graphics object with no Paint event, GDI+, 657 GraphicsPath class, methods, GDI+, 689 GroupBox control, 711, 713

GUI programming overview, 605

Visual Studio 2005, 621

■H

Handle, System.Diagnostics.Process, 428 HandleCount, System.Diagnostics.Process, 428 has-a relationship code example, 159–60 HasChanges( ) method, ADO.NET DataSet

class, 795

HasControls( ) method, System.Web.UI.Control in ASP.NET, 867

HasErrors property, ADO.NET DataSet class, 795

Hashtable System.Collections class type, 250 HatchBrush, System.Drawing.Brush, 678–79 heap, and reference types, 98

HelpLink property, System.Exception, 200, 206 Hexadecimal property, NumericUpDown, 728 historical overview of programming

C++/MFC, 4

Component Object Model (COM), 5 C/Win32, 3

Java/J2EE, 4 Visual Basic 6.0, 4 Windows DNA, 5

hit testing

nonrectangular images, 688, 690 rendered images, 687–88

HTML

and ASP.NET, overview, 832 document structure, 833 form development, 833

HTTP channel, remoting, 568 HTTP Request, ASP.NET, 858

HTTP Request processing, ASP.NET, 857–59 HTTP Response processing, ASP.NET, 859–61 HTTP transport of web service, 922 HttpApplication members, ASP.NET, 897 HttpApplication type overview, 889 HttpApplicationState members, ASP.NET, 898 HybridDictionary,

System.Collections.Specialized, 253

■I

IasyncResult interface, 260–61

ICollection System.Collections interface, 247–48 ICollection System.IDictionaryEnumerator

interface, 249

ICollection System.Idictionaryinterface, 248 ICollection System.IList interface, 249 IComparer System.Collections interface, 247 icons, custom controls, 748–49

Id, ProcessThread type, 432

ID property, System.Web.UI.Control in ASP.NET, 867

■I N D E X 967

Id, System.Diagnostics.Process, 428 IDataAdapter, System.Data, ADO.NET, 765 IDataParameter, System.Data, ADO.NET, 765 IDataReader, System.Data, ADO.NET, 765 IDbCommand interface, ADO.NET, 766 IDbCommand, System.Data, ADO.NET, 765 IDbConnection interface, ADO.NET, 765 IDbDataAdapter, IDataAdapter interface,

ADO.NET, 767

IDbDataAdapter, System.Data, ADO.NET, 765 IDbDataParameter, IDataParameter interface,

ADO.NET, 766 IDbDataReader, IDataReader interface,

ADO.NET, 767–68 IDbTransaction interface, ADO.NET, 765 IdealProcessor, ProcessThread type, 432 identity, private assemblies, 365

IDictionary System.Collections interface, 247 IDictionaryEnumerator System.Collections

interface, 247

IDisposable interface, unmanaged resources, 191–93

Idle event, Application class, 609 IEnumerable System.Collections interface, 247 IEnumerator, IEnumerable interfaces, indexer

technique, 290

IEnumerator System.Collections interface, 247 if/else statement, 94

IHashCodePRovider System.Collections interface, 247

IIS

default web site, 830

deployment, XML web service, 925 description, 830

virtual directories, 831

IKeyComparer System.Collections interface, 247

ilasm.exe compiler, common intermediate language (CIL), 477

ildasm exploration of manifest, 357 ILease interface remoting, 593 ILGenerator, System.Reflection.Emit

namespace, 505

IList System.Collections interface, 247 image processing in custom controls, 739–41 Image property, Button, 709

Image type core members, 682 ImageAlign property, Button, 709

images in ToolStrips, Visual Studio 2005, 641–43 implicit cast, 171

implicit keyword, custom type conversion, 302–6

Increment( ) method, Interlocked type, multithreaded applications, 472

Increment property, NumericUpDown, 728 indexer technique

CIL internal code, 292 example, 290–91

IEnumerator, IEnumerable interfaces, 290 multidimensional collections, 293

968 ■I N D E X

overview, 289 System.Collection.ArrayList, 290–91 System.Collections.Specialized.

ListDictionary, 291–92 this[ ] syntax, 290–91

inheritance, 146, 752–54

base keyword in class creation, 156–57 colon operator, 155 containment/delegation inheritance model,

159–60 description, 146

has-a relationship code example, 159–60 is-a relationship code example, 155–56 multiple base classes not allowed, 157 picker utility, 753–54

protected keyword, 158 sealed classes, 159, 164

inheritance chain, page type in ASP.NET, 855–56 Inherits, ASP.NET <%@Page%> directive

attribute, 846

Init, ASP.NET Page events, 862 InitializeComponent( ) method, 703 InitializeLifetimeServices( ),

System.MarshalByRefObject, 572 InitialLeaseTime, ILease interface remoting, 593 InnerException property, System.Exception,

200

in-place editing example, ASP.NET, 879–80 input/output, System.IO

asynchronous I/O, 542–43 BinaryReader, BinaryWriter, 538–39 BinaryReader, BinaryWriter types, 517 BufferedStream type, 517

Directory, DirectoryInfo types, 517–19 Directory type, 523–24

DriveInfo class, 524–25 DriveInfo type, 517 File class, 529, 531

File, FileInfo types, 518–19 FileInfo class, 525 FileStream class, 532–33 FileStream type, 518

FileSystemWatcher class, 518, 540–41 MemoryStream type, 518 namespace description, 517 overview, 517

Path type, 518

reading from a text file, 535 Stream class, 531

StreamReader, StreamWriter, 533 StreamWriter, StreamReader types, 518 StringReader, StringWriter, 536–37 StringWriter, StringReader types, 518 writing to a text file, 534–35

InsertCommand property in updating, ADO.NET, 814

inserting records, ADO.NET, 786 installing .NET 2.0 Framework SDK, 33

InterceptArrowKeys property, UpDownBase, 728

interface keyword, 221 interfaces

abstract base class comparison, 224 in arrays, 228

cloneable objects (ICloneable), 238–42 colon operator, 222

common intermediate language (CIL), 490 comparable objects (IComparable), 242–44 custom interface example, 221–22

custom properties and sort types, 246 and data providers, ADO.NET, 768–69 deep copy, 242

definition, 221

determining using as keyword, 225 determining using explicit cast, 224–25 determining using is keyword, 225–26 enumerable types (IEnumerable and

IEnumerator), 235–37 explicit implementation, 229–31 hierarchies, 232

implementing, 223

invoking objects based on, 224 multiple base interfaces, 233

multiple sort orders (IComparer), 245–46 name clashes, 229–31

overview, 221 shallow copy, 238–41

struct, derive from System.ValueType, 222 System.Collections interfaces, 247 System.Object base class, 222

types, 17

using as a parameter, 226–27 using as a return value, 228 Visual Studio 2005, 234–35

Interlocked type, multithreaded applications, 472

Interlocked type, System.Threading Namespace, 459

Intermediate Language Disassembler utility (ildasm.exe)

CIL code display, 27 icons, 26

manifest display, 28 overview, 26

type metadata display, 28 intermediate language (IL), 10 internal access modifier, 77 Interrupt( ) method, Thread type, 460

intrinsic types in CTS, VB.NET, C#, C++, 18 Invalidate( ) method and Paint event, GDI+,

656–57

InvalidCastException, boxing and unboxing, 322 inventory content page example, ASP.NET,

877–78

Invoke( ) method, SoapHttpClientProtocol class, 944

InvokeAsync( ) method, SoapHttpClientProtocol class, 945

InvokeMember( ) method, System.Type class, 397

IPC channel, remoting, 568, 583 is keyword, 107

determining interface support, 225–26 determining type, 172

is-a relationship code example, 155–56 IsAbstract, System.Type class, 396 IsAlive method, Thread type, 460 IsArray, System.Type class, 396 IsBackground method, Thread type, 460 IsClass, System.Type class, 396 IsCOMObject, System.Type class, 396 IsDefined( ) method, System.Enum, 109 IsEnum, System.Type class, 396 ISerializable interface, 557

IsGenericParameter, System.Type class, 396 IsGenericTypeDefinition, System.Type class,

396

IsInterface, System.Type class, 396 IsNestedPrivate, System.Type class, 396 IsNestedPublic, System.Type class, 396 IsNull( ) method, ADO.NET DataRow object,

799

IsNullable property, ADO.NET DbParameter, 789

IsPostBack property in HTTP Request processing, ASP.NET, 859

IsPrimitive, System.Type class, 396 IsSealed, System.Type class, 396 IsValueType, System.Type class, 396 IsWellKnownClientType( ) method,

RemotingConfiguration, 580 ItemArray, ADO.NET DataRow object, 798 Items property, DomainUpDown, 728 iteration, 92–93

iteration, common intermediate language (CIL), 499

■J

Java/J2EE language deficiencies, 4 Jitter, just-in-time (JIT) compiler, 14 Join( ) method, Thread type, 460

■K

key, CIL compiler flags, 485

Kill( ), System.Diagnostics.Process, 429

■L

Label control, 704–5 language fundamentals

?? operator, 133 arrays, 127–30

basic program structure, 65–66 basic string operations, 123–24 boxing and unboxing, 104–6

C++ program structure compared with C#, 65 class definition and instantiation, 72

class member variable default values, 78 classes, definition, 69

command-line arguments, 67–68

■I N D E X 969

constant data, 80 constructors, 70–71

custom namespaces, 133–34 decisions, 94–96

default constructor, 70–71

defining classes and creating objects, 69–70 destroying objects, 72

enums, 107–10 escape characters, 124

for, foreach looping, 67 foreach loop, 93

fully qualified type names, 134–36 garbage collection, 72 GetCommandLineArgs( ), 67 internal vs external constant data, 81 is keyword, 107

iteration, 92–93

local variable default values, 79 for loop, 92

Main( ) method, 66

member variable initialization syntax, 79–80 member visibility, 76–78

method parameter modifiers, 89 namespaces, default Visual Studio 2005, 138 nested namespaces, 137–38

.NET formatting flags, 75–76 new keyword, 69–70 nullable types, 131, 133 objects, definition, 69 overview, 65 parameter-passing, 89–91

parsing values from string data, 121 passing reference types by reference, 102 passing reference types by value, 101–2 read-only fields, 82–83 relational/equality operators, 94–96 static classes, 88

static constructors, 86–87 static data, 84–86

static keyword, 83–88 static methods, 84

static read-only fields, 83 String.Concat( ) method, 124 strings, 124

System data types, 117–20 System.Array, 130 System.Boolean, 120 System.Char, 121 System.Console class, 73–75 System.DateTime, 122 System.Environment class, 68–69 System.Nullable<T>, 132 System.Object, 111–17 System.String data type, 123 System.Text.StringBuilder, 126–27 System.TimeSpan, 122 System.ValueType, 97

type visibility, 78

unboxing custom value types, 106 user-defined type (UDT), definition, 69–70

methods

common intermediate language (CIL), 494–95

in FontFamily, GDI+, 666 Microsoft Express IDEs, overview, 50

Microsoft recommended event pattern, 281–82 Minimum property, NumericUpDown, 728 mnemonic keys in Label control, 704–5 mnemonics, CIL, 479

modifying application data, ASP.NET, 899–900 modifying tables, Command object, ADO.NET,

784–86

Module class, System.Reflection namespace, 396

module directive, common intermediate language (CIL), 488

module set for a process example code, 432–33 ModuleBuilder, System.Reflection.Emit

namespace, 505, 509–10 Modules, System.Diagnostics.Process, 428

Monitor type, System.Threading Namespace, 459

MonthCalendar control, 719–21 MoveTo( ) method

DirectoryInfo class, 520 FileInfo class, System.IO, 526

mresources directive, common intermediate language (CIL), 489

mscoree.dll, Common Language Runtime (CLR), 20–21, 425

MSIL vs. CIL, 10

multicast delegate call, 262 multicasting, delegates, 268–70 multifile assemblies, 11, 352, 362–65 multiple base classes not allowed, 157 multiple base interfaces, 233 multiple exceptions, 212–13

multiple .NET Framework versions, 445 multiple result sets, DbDataReader object,

ADO.NET, 784

multiple sort orders (IComparer), 245–46 multitabled DataSet objects, ADO.NET, 817–20 multithreaded applications

AsyncCallback delegate, 456–57 asynchronous operations, 453–54 AsyncResult class, 457–58 atomic operations, 450 BeginInvoke( ), 453–54, 456–58 CLR thread pool, 475–76 concurrency, 450, 467–70 delegate review, 451, 453 EndInvoke( ), 453–54

execution speed vs. responsiveness, 465 foreground vs. background threads, 466–67 lock keyword and synchronization, 469–71 Main( ) method, 457

overview, 449

secondary thread creation, 462–63 state data, 458

synchronization, 450

■I N D E X 971

synchronization attribute, 472–73 synchronizing threads, 455–56 synchronous operations, 451, 453 System.Threading Namespace, 459 System.Threading.Interlocked type and

synchronization, 471–72 Thread class, 449

thread relationship to process, AppDomain, and context, 449–51

thread-volatile operations, 450 Timer callbacks, 473–74

Mutex type, System.Threading Namespace, 459

■N

name clashes in interfaces, 229–31 Name, FileInfo class, System.IO, 526 Name method, Thread type, 460–61 Name property, FileSystemInfo class, 519

namespace directive, common intermediate language (CIL), 489

namespace keyword, 133–34 namespaces, 22–25

namespaces, default Visual Studio 2005, 138 NameValueCollection,

System.Collections.Specialized, 253 Nant development tool, 62

navigating between related tables, ADO.NET, 820–21

NDoc development tool, 62 nested namespaces, 137–38 nested type definitions, 161–62

.NET 1.x controls in Visual Studio 2005, 623

.NET Framework

base class libraries, 7

basic building blocks overview, 6 Common Language Infrastructure(CLI),

29–30

common language runtime (CLR) overview, 6 Common Language Specification (CLS)

overview, 6

Common Type System (CTS) overview, 6 Configuration utility, 369–70, 382

core features, 6

ECMA standardization, 29 interoperability with COM, 6 Mono, 30

.NET-aware programming languages, 8–9 non-Windows platforms, 29–30 overview, 6

Portable .NET, 30

Virtual Execution System (VES), 29 web links to .NET-aware languages, 8–9

.NET runtime deployment, 29

.NET type metadata initial example, 14–15 overview, 14

.NET, why learn it, 3

netmodule file extension, 352, 362–64

972■I N D E X

new keyword, 69–70

CIL implementation, 181 references, 180

NewLine, TextWriter, System.IO, 534 newobj CIL instruction, 181 noautoinherit, 485, CIL compiler flags node images in TreeViews, 734, 736 nonrectangular images, GDI+, 688, 690 nullable types, 131, 133 NullReferenceException, delegates, 267–68 numeric System data types, 120 NumericUpDown, 728

Nunit development tool, 62

■O

Oberon programming language, 8 object contexts

boundaries, 440 context 0, 440 context-agile, 441 context-bound, 441–42 overview, 425

program example, 442–43 object generations, 184 object graph

definition, 546

garbage collection, 182–83 reachable objects, 182–83 relationships, 547

simple example, 546–47 object keyword, boxing, 104–6 object lifetime

object generations, 184 overview, 179 System.GC, 185

when heap objects are removed, 180, 182 object oriented programming, 317–19

class, description, 139

class public interfaces, 144–45 constructors, example Employee class, 140 example Employee class, 139, 141 forwarding constructor calls using this, 143 has-a relationship, 146

is-a relationship, 146 method overloading, 141 overview, 139

Pillars of OOP, 4 encapsulation, 145, 148 inheritance, 146, 155 polymorphism, 147, 162

state of a class instance, description, 139 this keyword, 142–43

ObjectIDGenerator, serialization, 557 objects

definition, 69

differences from classes and references, 179 Obsolete attribute, 408–9 OnDeserializedAttribute, serialization, 557 OnDeserializingAttribute, serialization, 557

OnSerializedAttribute, serialization, 557 OnSerializingAttribute, serialization, 557 opcodes, CIL, 479, 495–97

OpCodes, System.Reflection.Emit namespace, 505

Open( ) method, FileInfo class, System.IO, 526–27

OpenRead( ) method, FileInfo class, System.IO, 526, 528

OpenText( ) method, FileInfo class, System.IO, 526, 528

OpenWrite( ) method, FileInfo class, System.IO, 526, 528

operator constraints, lack of with generics, 338–39

operator overloading binary operators, 294–95

C# to CIL special names index, 299 cautions, 301

CIL internal code, 298–99 comparison operators, 297–98 description, 293

equality operators, 296–97

operation overloading in other languages, 299–300

operator keyword, 295

operators that can be overloaded, 293 overview, 289

shorthand assignment operators, 295 unary operators, 296

OptionalFieldAttribute, serialization, 557 Ordinal property, ADO.NET DataColumn

object, 797

Orientation property, TrackBar control, 724 origin point, GDI+, 662

out method parameter modifier, 89–90 outer variables, 284–85

output, CIL compiler flags, 485 overflow/underflow, 307–9

override keyword, description, 163–64

■P

page coordinates, GDI+ coordinate systems, 659 Page events, ASP.NET, 862

Page property, System.Web.UI.Control in ASP.NET, 867

Page Type properties, ASP.NET, 856–57 PageUnit property, custom unit of measure,

GDI+, 661–62 Paint event, GDI+, 656 Panel control, 726–27

parameter, interface used as, 226–27 Parameter object, ADO.NET data providers, 761 ParameterBuilder, System.Reflection.Emit

namespace, 505 ParameterInfo class, System.Reflection

namespace, 396

parameterized command objects, ADO.NET, 788