Index

UDP. See User Datagram Protocol (UDP)

UdpClient class, 200, 209

UdpClient.JoinMulitcastGroup( ) method, 214

UdpClient.Receive( ) method, 212

unique identifiers, 23. See GUIDs (globally unique identifiers)

Universal Naming Convention (UNC) path, 179

Unregister( ) method, 236

Update( ) button, 259

UpdateControlText class, 342-43

UpdateControlText object, 172

UpdateUsers( ) method, 119

upgrades, peer-to-peer, 362-63

Upload( ) method, 265, 269, 270

uploading files, in FileSwapper application, 263-72

UploadThreads collection, 267

UPnP NAT, 367

Url Behavior in the Properties window, 245

<URL> element, 375

Usenet, 13

User Datagram Protocol (UDP), 196, 197

user names, 23

UserDeparted( ) method, 340

UserJoined( ) method, 340

UserName property, 83

utility classes, 249-53