Index_O

O

object files, linking, 8

Object::Equals method (Object), 175–176

object-oriented programming, 15–19. See also classes; inheritance; objects

objects, 19. See also classes

attaching to exceptions, 186

constructors and destructors, defining, 97–101

defining relationships between, 107–113

destroying, 95–97, 118–120

dynamic memory management, 120–128

instance members, 101

instantiating (creating), 22, 95–97

inheritance hierarchy and, 138–139

memory management, 117, 120

Obsolete attribute, 533

ObsoleteAttribute class, 532–536

Odbc namespace (System::Data), 453

OK value (DialogResult), 323

OleDb namespace and classes (System::Data), 453–459

one-way decision testing, 65–69

OOP. See object-oriented programming

Open member (FileMode), 384

Open method (File, FileInfo), 389–390

OpenFileDialog class (System::Windows::Forms), 328

OpenOrCreate member (FileMode), 384

OpenRead, OpenText, OpenWrite methods (File, FileInfo), 389, 390

operations on managed arrays, 219–223

copying array elements, 221

searching among elements, 222

sorting elements, 223

operator keyword, 170

operators, 37–43

overloading, 165–182

important guidelines, 181

increment and decrement operators, 179–180

logical and relational operators, 173–175

operator functions, 171–173

reference types, 180–181

value types, 167–171

precedence and associativity, 41, 167

op_ functions. See also overloading functions

increment and decrement operators, 179–180

logical and relational operators, 173–175

op_Assign function, 177–179

overloading, 171–173

value types, 169

OR operators, 39–40, 169

OracleClient namespace (System::Data), 453

ordering array elements, 223

OuterXml property (XmlNode), 427

OutOfMemoryException class, 187

OverflowException class, 192

overloading functions, 61–62, 165–182

constructors, 98

guidelines, 181

operators, 171–180

reference types, 180–181

value types, 167–171

overriding functions, 140–144

OwnedForms property (Form), 293

OwnerDocument property (XmlDocument), 425

OwnerDocument property (XmlNode), 427

ownership, form, 296–297