H

HandleExternalEvent activity, 940

HandleInitiateConnectionException, 1164

Handles keyword, 84, 85

handling events, 84–85

hash algorithms

cryptographic, 479–481

digital signatures, 492–495

MD5, 482

overview, 478–479

PKCS, 487–492

RIPEMD-160, 482–487

SHA (Secure Hash Algorithm), 481–482

Hashtable class, 81

Hashtable object, Collections namespace, 42

health-monitoring, ASP.NET 2.0, 723

heap

managed heap, 226

stack and, 23

HelpLink property, 315, 328–329

XmlException class, 413

HelpProvider

HelpKeyword on HelpProvider1 property, 623

HelpNavigator on HelpProvider1 property,

HelpString on HelpProvider1 property, 623

ShowHelp on HelpProvider1 property, 623

hotfix support, 209

HScrollBar control, 640

HTML, compared to XML, 391

HTTP channels, 1003

HTTP (Hypertext Transfer Protocol), 959, 963

HttpListener class, 1061

Abort, 1081

Close, 1081

IsListening, 1081

OnStart method, 1082–1083

OnStop method, 1083–1084

Prefixes, 1081

Start, 1081

Stop, 1081

Web server, creating, 1082–1089

HttpWebRequest, 1062, 1154