Index

O

OBJ files, 36

ObjAddRef method, 458

ObjAuto unit, 148

ObjClass property, 710

ObjDataSetDemo example, 713, 713

Object Debugger, 948

object identifiers (OIDs)

in database design, 558–560

in Interbase, 600–602, 601

Object Inspector, 19–21

for components, 351–352, 352

drop-down fonts in, 21

Object TreeView in, 22–23

property categories in, 21–22

Object Inspector Font Wizard, 945

object linking, 480

Object Linking and Embedding (OLE), 456–457

object-oriented programming (OOP), 43, 64

and modeling. See ModelMaker

for reusable components, 483

object reference model, 55–56, 55

assigning objects in, 56–58, 56

memory for objects in, 58–59

object-relational mapping, 559

Object Repository, 39–41, 40

Object TreeView, 22–23

ObjectBinaryToText method, 140

ObjectPropertiesDialog method, 482

objects

assigning, 56–58, 56

in Automation, 476–477, 482–483, 483

code completion for, 14–15

for COM server, 461–463, 462

in CTS, 909–910

datasets of, 710–713, 713

in DataSnap, 667

in Delphi, 44–48

field, 527–528, 528

memory for, 58–59

scope of, 476–477

ObjectTextToBinary method, 140

ObjQueryInterface method, 458

ObjRelease method, 458

OBJREPOS subdirectory, 41

ObjsLeft example, 335–336

Observer pattern, 449

octets in IP addresses, 739

OCX (OLE Controls), 456, 483

OCX files, 36

ODBC (Open Database Connectivity), 615, 644

ODList example, 187–188

ODMenu example, 185–186, 186

Office programs with Automation, 478–479

oh.exe tool, 33

OIDs (object identifiers)

in database design, 558–560

in Interbase, 600–602, 601

OLAP (Online Analytical Processing), 617

OldCreateOrder property, 153, 279

OldValue property, 641–642

OLE (Object Linking and Embedding), 456–457

OLE Automation. See Automation

OLE container messages, 376

OLE Controls (OCX), 456, 483

OLE DB Provider, 617–618

OLE DB Provider Development Toolkit, 618

OLE DB Provider For Indexing Service, 617

OLE DB Provider For Internet Publishing, 617

OLE DB Provider For OLAP, 617

OLE DB providers, 616–617

OLE Insert Object dialog box, 480–481

OleCont example, 482, 482

OleContainer component, 480–482, 482

OnAction event, 771–772

OnActionExecute event, 228, 296

OnActionUpdate event, 296

OnActivate event, 278, 296, 298

OnActiveFormChange event, 299–300

OnAdvancedDrawItem event, 186

OnArrowDblClick event, 364–365

OnBeforeDispatchPage event, 790

OnBeforeExecuteAction event, 797

OnBeforePageDispatch event, 794

OnCalcFields event, 531, 585

OnCanResize event, 270

OnCanViewPage event, 808

OnChange event

in TabControl, 208

in TDate, 126

in TMdArrow, 363

OnClick event, 125, 261

OnClose event, 278–279, 300

OnCloseQuery event, 278–279

OnCloseUp event, 168

OnColumnClick event, 191

OnCommand event, 742

OnCommandGet event, 757, 765

OnConstrainedResize event, 270

OnContextMenu event, 175

OnContextPopup event, 176

OnCreate event, 277–279, 299

OnCreateNodesClass event, 197

OnDataChange event, 546

OnDeactivate event, 296, 298

OnDeleteError event, 553

OnDestroy event, 279, 301

OnDockDrop event, 236

OnDockOver event, 235–236

OnDoubleClick event, 285

OnDragDrop event, 98

for docking, 234

for TreeView, 195

OnDragOver event, 98

for docking, 234

for TreeView, 195

OnDrawColumnCell event, 540–541

OnDrawItem event, 185

OnDrawTab event, 209

OnDropDown event, 168

one-to-many relations, 557

one-to-one relations, 557

OneCopy example, 308–310

OnEditButtonClick event, 533

OnEditError event, 553

OnEndDock event, 234, 236

OnEnter event, 177–178

OnException event, 75, 296, 553

OnExecute event

in ActionFont, 313

in ActionLink, 223–224

for actions, 228, 228

OnExecuteAction, 223

OnExit event, 177–178

OnFind event, 288

OnFindIncludeFile event, 798

OnFindStream event, 798

OnFindTemplateFile event, 798

OnFormatCell event, 763

OnGetData event, 668

OnGetDataSetProperties event, 667

OnGetItem event, 249

OnGetItemCount event, 249

OnGetResponse event, 864

OnGetText event, 535, 541, 549

OnGetValue event, 794, 797

OnHelp event, 257, 296

OnHint event, 217, 296

OnHTMLTag event, 760

OnIdle event, 215, 296, 304

OnItemSelected event, 250

OnKeyPress event, 163, 259

Online Analytical Processing (OLAP), 617

OnLogTrace event, 576

OnMeasureItem event, 185, 187

OnMessage event, 296

OnMinimize event, 296

OnMouseDown event, 261

OnMouseMove event, 261–262

OnMouseUp event, 261

OnMouseWheel event, 261

OnMouseWheelDown event, 261

OnMouseWheelUp event, 261

OnMove event, 181

OnNewRecord event, 547

OnPageAccessDenied event, 808

OnPaint event, 265–266, 274

OnPostError event, 553

OnReceivingData event, 893

OnReconcileError event, 587, 651, 659–660

OnRecordChangeComplete event, 641

OnRecordSetCreate event, 622

OnReplace event, 288

OnResize event, 269–271

OnRestore event, 296

OnScroll event, 271

OnSetText event, 535, 541

OnShortCut event, 296

OnShow event, 278

OnShowHint event, 183, 296

OnStartDock event, 234

OnStateChange event, 525, 546

OnStatusTextChange event, 486

OnTag event, 760

in PageProducer, 779

in WebSnap, 791

OnTimer event, 492

OnTitleChange event, 486

OnTitleClick event, 830

OnTrace event, 576

OnUpdate event

in ActionCount, 227

in ActionFont, 313

and actions, 224, 229

in MDI applications, 314

OnUpdateData event, 660

OnUpdateError event, 553, 641, 660

OnValidate event, 535

OnWillChangeRecord event, 641

OOP (object-oriented programming), 43, 64

and modeling. See ModelMaker

for reusable components, 483

OOP Form Wizard, 945

opaque strings, 538

Open Database Connectivity (ODBC), 615, 644

open-source projects, 951–952

Open Tools API, 452

Open XML project, 951

OpenDialog component, 287

OpenHelp tool, 33

opening datasets, 690–694

opening markers in XML, 834–835

openItemClick method, 937, 939–940

OpenPictureDialog component, 288

OpenSchema method, 622–623, 623

OpenTools API, 388

OpenXML DOM, 838

Operator property, 734

optimistic locking, 587

in ADO, 639–641

in client/server programming, 557

options, components for, 165–166

Options property

in DataSetProvider, 658

in DBGrid, 516

Oracle drivers, 567

orthogonal lines in ModelMaker, 452

out-of-process servers, 457

outer transactions, 634–635

OutLabel property, 353

Output Options dialog box, 720, 720

overload directive, 404

overload keyword, 46, 65

overloaded constructors, 54–55

overloaded methods, 46, 404

override keyword, 64

overriding

Finalize, 911–912

message handlers, 368–372

methods

in late binding, 64–65

virtual, 70

owner components, 58

owner-draw controls, 184–185

list box of colors, 186–188

menu items, 185–186, 186

messages for, 377

Owner property, 119–120

OwnerDraw property, 185, 209

ownership in TComponent, 117–120, 120

OwnHandle property, 162

OwnsObjects property, 131