Index_E

E

editing source files, 8

Element node type, 409

elements of arrays. See arrays

else statements, 69–74. See also if statements

Enabled property (menus), 317

encapsulation, 16–17, 19

Encoding property (XmlTextReader), 408

EndElement, EndEntity node types, 409

EndUpdate method

ComboBox class, 308

ListBox class, 307

ListView class, 342

TreeView class, 333

EnsureVisible method (ListView), 342

entities, 166

Entity node type, 409

EntityHandling property (XmlValidatingReader), 415

EntityReference node type, 409

EntryPoint field (DllImportAttribute), 521

enum keyword, 34, 161

enumerations, 34, 160–163

conserving memory, 163

initial values, setting, 162

enumerators, 224–225

EOF property (XmlTextReader), 408

equal sign (=)

= (assignment) operator, 30, 37, 169, 177–179

== (equal to) operator, 39, 169, 173

equality, defined, 174

Equals method (Object), 175–176

ErrorProvider class (System::Windows::Forms), 330

errors

COM errors, handling, 554–555

link errors, 8

properties, 236

warnings vs., 13

Evaluate method (XPathNavigator), 438

__event keyword, 258, 259

event subscription (+=) operator, 261

events, form, 257–262

ExactSpelling field (DllImportAttribute), 521

Exception class, 187

class hierarchy, 192–193

deriving custom types from, 198–200

properties, list of, 191

exceptions, 183–205

across languages, 202–204

attaching objects to, 186

call stack and, 184

custom, 198–200

dynamic casting, 201

handling, 189–198

constructors and, 193–194

customizing, 191–192

exception class hierarchy, 192–193

nesting and rethrowing, 194–196

throwing, 186–189

exclamation point (!)

! (NOT) logical operator, 39, 169

!= (not equal) operator, 39, 169, 173

exclusive OR (^) bitwise operator, 40, 169

executable programs. See programs

executing programs, 9, 13

Exists method (Directory, File), 388–389

Exists property (DirectoryInfo, FileInfo), 388, 390

ExpandAll method (TreeView), 333

expressions, 37–43

arithmetic, 37–38, 167–171

operator precedence and associativity, 41, 167

extensibility of object-oriented programming, 19

Extensible Stylesheet Language (XSL), 435–436

style sheet basics, 445

transforming XML documents with, 444–449
Xsl namespace (System::XML), 282

Extension property (DirectoryInfo), 388