HasChildNodes property, 754
HasValue property, 328
HEAD command, 959
Headers property, 962
HeaderStyle property, 432
HeaderText property, 617
Height property, 393
help options, dialogs, 495
HelpRequest() method, 490
hidden variables, 136
hiding base class methods, 250–251
highest operator precedence, 50, 66
hit counts, breakpoints, 164–165
horizontal tab (t) escape sequence, 41
Host property, 958
HotTrack property, 443
HoverSelection property, 432
<HTML> tag, 633
HTTP (Hypertext Transfer Protocol), 956
HttpRequest class, 600
HttpResponse class, 599
HttpSessionState class, 601
HttpWebRequest class, 964
HttpWebResponse class, 964
Hungarian notation naming system, 39–40
HyperLink control, Web programming, 588
Hypertext Transfer Protocol (HTTP), 956