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handling exceptions, 189–198. See also exceptions
custom handling, 191–192
nesting and rethrowing, 194–196
HasAttributes property(XPathNavigator), 437
HasChildNodes property (XmlDocument), 425
HasChildNodes property (XmlNode), 427
HasChildren property (XPathNavigator), 437
Hashtable class (System::Collections), 225, 277
HasSecurity member (TypeAttributes), 544
HasValue property (XmlTextReader), 408
header files for classes, 90–95
HeaderStyle property (ListView), 341
Height property (Bitmap), 372
Height property (Font), 369
Hello World, case program (example), 4
Help class (System::Windows::Forms), 330
HelpButton property (Form), 292
HideSelection property
ListView class, 341
TextBoxBase class, 310
TreeView class, 332
hierarchical menus, 317. See also menus in Windows Forms
hierarchy of exception classes, 192–193
HorizontalResolution property (Bitmap), 372
HorizontalScrollbar property (ListBox), 306
HotTracking property (TreeView), 332
HoverSelection property (ListView), 341
HScrollBar class (System::Windows::Forms), 289
HTML, transforming XML into, 436
HtmlControls namespace (System::Web::UI), 283
HTTP GET and POST commands, 473, 480
HttpRequest, HttpResponse classes (System::Web), 283
hyphen (-)
- (subtraction) operator, 37, 169
-= (subtraction assignment) operator, 38
-- (decrement) operator, 38, 169, 179–180
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