R

r (carriage return) escape sequence, 41

RadioButton control

dialog creation example, 415–416

discussed, 412

events, 413

properties, 413

Web programming, 588

random access files, writing data to, 712–713

Random class, 374

RangeValidator control, Web programming, 594

Read Me dialog, Simple Editor application, 568–569

Read() method, 713

Read property, 708

readability advantages, functions, 121

ReadAllText() method, 501

reading data

DataReader object, 779–783

DataSet object, 787–788

FileStream class, 710

StreamReader class, 718–719

ReadKey() method, 222

ReadLine() method, 718

read-only access

array contents, 109–110

generic classes, 346

readonly keyword, 238

ReadOnly property, 403, 559

ReadToEnd() method, 970

read/write access, 184–185

ReadWrite property, 708

ReadXml() method, 813–814

Ready to Publish! option, Publish Wizard, 541

Rectangle struct, GDI+, 987

RedoActionName property, 419

ref keyword, 131, 146

refactoring, 248–249

reference parameters, 131–132

reference types

objects, 233

value types versus, 198

ReferenceEquals() method, 212

references, functions, 146

reflection

attributes, 885–888

generic classes, 346

regions

FillRegion() method, 988

Region class, 988

Register User dialog, User Interface Editor, 566

Registry Editor, 557

Registry Launch Condition option, Launch Conditions Editor, 563

RegularExpressionValidator control, Web programming, 594

relational data, simple access to, 773

relational database connections, 829

relational operators, 58

relationships

in ADO.NET, 803–804

between objects, 195–197

relative paths, file system data, 707

remainder (%) operator, 44

<remarks> element, 931, 934

Remote Method Invocation (RMI), 655

Remote Procedure Calls (RPC), 654

Remove() method, 196, 277, 803

RemoveAll() method, 761

RemoveAt() method, 277, 279

RemoveChild() method, 761

Repeater data control, 613

RequiredFieldValidator control, Web programming, 594

Reset() method, 490

resources and assemblies, 5

ResponseHeaders property, 962

results, dialogs, 496

return values

event handlers and, 379

functions, 124–126, 138–139

<returns> element, 931, 935

ReturnValue value, attribute targets, 905

reusable code, functions and, 121

ReverseString() method, 662, 674

ReverseStringAsync() method, 674

RichTextBox control

dialog creation example, 420–421

events, 420

properties, 418–420

right alignment, 423

Right property, 393

RMI (Remote Method Invocation), 655

root elements, XML, 744

Root property, 707

RootFolder property, 532

route keyword, 105

RowCount property, 443

rows

adding to databases, 794–797

DataRow attribute, 915–916

DataSet object, 786–787

finding, 798–801

GetChildRows() method, 804, 806

GetRowType() method, 923

NewRowFromBuidler() method, 923

RPC (Remote Procedure Calls), 654

Rtf property, 419

Runtime Callable Wrapper diagram, 855

runtime information, debugging, 153