O

.obj, 30

Object Inspector, 3

object properties, 538

C++Builder components, 549-550

Object Repository, 553

Object TreeView, 4

object-oriented programming, 203-205

encapsulation, C++, 213-214

in C++, 213

inheritance, 210-212

inheritance, C++, 217

inline methods, 216

polymorphism, 212-213

Self, 208

this, C++, 215

objects,

destroying, 206

instantiating, 206

OffsetRect function, 575-577

ofstream class, 220-221

on, reserved word, 280

OnChange event, 231-233

OnClick event, 233

C++Builder, 244

OnClose event, 269, 369

OnCloseQuery event, 352

OnCreate event, 254-255

OnDragDrop event, 411, 416

OnDragOver event, 410, 414

OnDrawItem event, 566

OnException event, 292

OnExecute event, 339-340

OnHint event, 326

OnIdle event, 363, 486

OnLoad event, 691

OnMeasureItem event, 566

OnMouseDown event, 250-251

OnMouseMove event, 252

OnMouseUp event, 252-253

OnPaint event, 473

OnReplace event, 361

OnResize event, 475

OnUpdate event, 340

OOP, see object-oriented programming

open array

constructor, 146

parameters, 145-146

Open dialog box, 504-505

OPENFILENAME, 505

OpenKey method, 387

operator overloading, 707-710

operator, reserved word, 707

optimization, 116-119

Options property, 329

or operator, 55-56

Ord function, 92

with enumerated types, 165-166

out parameters, 108

output,

formatting, 20

formatting, C++, 157-158

overloaded methods, C#, 680

overloading, 114-116

C++, 130-131

override directive, 529-530

Owner property, 237