Index_D

D

data access API. See ADO.NET

data adapters, 462–465

data formats with Web services, 473

data I/O. See System::IO namespace

data members. See variables

Data namespaces, 282

data providers, ADO.NET, 452

data structures. See arrays

data types, 28–29

converting between, 31

return types for functions, 48

type casting, 41

typedefs, 35

databases, connecting to (ADO.NET), 454–456

DataColumn class (System::Data), 282, 460

DataGrid class (System::Windows::Forms), 281, 289, 330

DataRow class, 460

DataSet class (System::Data), 282, 459–461, 465–466

DataTable class (System::Data), 282, 460–461

DateTimePicker class (System::Windows::Forms), 281, 289, 330

Debuggable attribute, 188

DebuggableAttribute class (System::Diagnostics), 532

DebuggerHiddenAttribute class (System::Diagnostics), 532

DebuggerStepThroughAttribute class (System::Diagnostics), 532

debugging Web services, 484

Decimal type, 276

decision statements

if statements, 65–74

switch statements, 74–77, 162–163

declaring

arrays, 212

classes, 21

function prototypes, 46–49

loop variables, 80

scope considerations, 59

variables, 29–30, 53

decrement (--) operator, 38, 169, 179–180

default

constructors, 157

function parameter values, 48

variable values, 30

default statement, 75. See also switch statements

DefaultPageSettings property (PrintDocument), 374

__delegate keyword, 251, 254

delegates, 249–256

Delete method

Directory, DirectoryInfo classes, 388–389

File, FileInfo classes, 389–390

delete operator, 96, 112, 119

array deletion, 214

mixed classes, 508

DeleteCommand class, 461

deleting objects. See destroying objects

deployment, 271

Depth property (XmlTextReader), 408

Depth property (XmlValidatingReader), 415

dereference (*) operator, 33

derived classes, 18. See also inheritance

accessing base class members, 135–137

defining, 133–135

overriding member functions, 140–144

Description namespace (System::Web::Services), 475

descriptions, Web services, 474

Design namespace (System::Drawing), 280, 358

designers for forms, 286, 294

DesktopLocation property (Form), 292

destroying objects, 95–97, 118–120

destructor functions, 99–101, 119, 122

destructors, defining, 99–101

dynamic memory management, 120–128

Diagnostics namespace, 278

dialog boxes (forms), 319–329

common, 327–329

data with, 324–327

tab ordering, 327

DialogResult property (Button), 303, 323–324

directories

browsing in forms, 335–339, 343–347

getting information about, 387–396

Directory, DirectoryInfo classes (System::Diagnostics), 279

Directory, DirectoryInfo classes (System::IO), 380, 387–396

Directory property (FileInfo), 390

DirectoryName property (FileInfo), 390

DISCO (Discovery of Web Services), 474, 481

disconnected applications, creating with ADO.NET, 459–466

discovery, Web services, 474, 481

Discovery namespace (System::Web::Services), 476

Discovery of Web Services (DISCO), 474, 481

Dispose method, 125–128

BinaryWriter class, 397

TextReader class, 385

TextWriter class, 381

distributed applications. See Web applications; Web services

DivideByZeroException class, 192

divide-by-zero error, 185

division operators, 37–38, 169

DllImportAttribute class, 520–522

DLLs (dynamic link libraries), 533

Document node type, 409

DocumentElement property (XmlDocument), 425

DocumentFragment node type, 409

DocumentName property (PrintDocument), 374

documents, XML. See XML

DocumentType node type, 409

DocumentType property (XmlDocument), 425

DOM (Document Object Model), 424

DomainUpDown class (System::Windows::Forms), 281, 330

double data type, 28, 276

do-while loops, 81–83

downcasting. See casting

Draw methods (System::Drawing::Graphics), 361

drawing. See graphics in forms; System::Drawing namespaces

Drawing namespaces, 280, 358–359

drop-down menus. See menus in Windows Forms

DropDownStyle, DropDownWidth properties (ComboBox), 307

DroppedDown property (ComboBox), 307

dynamic advertising of Web services, 475

dynamic casting, 201

dynamic link libraries (DLLs), 533

dynamic memory allocation, 120–128. See also garbage collection

arrays and, 213–214

Dispose method, 125–128

finalizers, 121–124

dynamic_cast operator, 41, 517