C# 0 The Complete Reference

U

U

uint value type, 36, 37, 38, 396, 623

literal, 46

UInt16 .NET structure, 396, 397, 623

UInt32 .NET structure, 396, 397, 623

UInt64 .NET structure, 396, 397, 623

ulong value type, 36, 37, 396, 623

literal, 46

Unboxing, 307–309

unchecked keyword, 360–362

#undef directive, 451, 455

Unicode, 41, 363, 378

UTF–16 and UTF–32, 634–635

UnicodeCategory enumeration, 636

Uniform Resource Identifier 

(URI), 823

constructing a, 833

dissecting a, 833–834

Uniform Resource Locator (URL), 823

UnionWith( ),  798

Unmanaged code, 9, 585, 586

UnmanagedMemoryStream class, 365

/unsafe compiler option, 586

unsafe keyword, using, 587–588

UploadData( ), 844, 845

UploadFile( ),  845

UploadString( ),  845

UploadValues( ),  845

Uri class, 823, 833–834

UriFormatException, 825, 830

UseDefaultCredentials property, 

826, 843

ushort value type, 36, 37, 38, 396, 623

using directive

to bring a namespace into view, 

20, 22–23, 441–443

to create an alias, 443–444

using statement, 374, 607–608