Index

T

tab order

coding, 85

tabbing through controls, 27

terminal setup program, 9

testing

call by MenuItem delegates, 134-135

KeyPress events, 214

Masked Edit control, 491-494

multithreaded control, 637-639

repairing MaskedClient code to trigger ValidateErrorEventHandler, 493-494

Sender object before using OpenWindow delegate, 134

testing NumberExtender control, 513-528

adding RegxValidate class to Vlad project, 515-524

creating project for, 513-515

displaying design-time errors in, 525-526

trapping errors with SetRegularExpression method, 524-525

text

selecting in TextBox, 51-57

text replacement in regular expressions, 453-455

text box input, 455-456

Text property (VB 6.0), 3

text resource files, 160, 176-177

TextBox control

extending control type for, 498

icon denoting invalid entry for, 514

MultiLine, 20, 21

properties for data entry and validation with, 21

retrieving cursor position, 486

selecting text in, 51-57

setting up, 20-22

simple data entry in, 4-7

TextBox setup example, 23-27

ToolTip help for, 515

Visual Basic 6.0, 3

writing statistics to TextBox screen of ValidateXML project, 569

TextBox Setup dialog box, 23, 29

TextChanged event, 50

Threading namespace, 214

throwing errors, 431-443

Catch block, 433-444

catching errors before they happen, 434-437

confusion when, 432-433

exception handling with Try-Catch-Finally block, 431

Finally block, 437-443

simple code for, 431-432

Try block, 431-432, 438-440

time displays, 170-171

ToolBar control

about, 36

adding to PowerUser project, 84-85

localizing graphics for, 159-160

as object-oriented control, 240

Toolbox

customizing for NumberExtender control testing, 525

Masked Edit control in, 463, 491-492

ToolTip

debug code for regular expressions, 527-528

help provided in NumberExtender control test, 515

ToolTip control for Vlad project, 502-503

ToString() method, overriding, 275-276, 660, 676

Town class, 354-356

Towns class, 357-365

trace listeners. See listeners

Tracing project, 419-430

adding trace line to Form_Load delegate, 425-426

console window form for, 420-421

delegates for handling events, 423-425

enabling and disabling tracing, 425, 429

forms for, 419

namespace references and class local variables in, 423

runtime switch added to, 430-431

sending trace output to console form, 426-427

setting up trace listeners with constructor, 428-429

Tree Test project (.NET), 577-612

adding controls to tester form, 577-578

clearing tree instantly, 585-587

entering code for button click delegates, 578-580

increasing apparent fill speed, 587-591

Tree Tester project (VB 6.0), 573-577

TreeDragDrop routine, 309

TreeDragOver delegate, 319-320

TreeExpandCollapse routine, 309

TreeView control, 291-319. See also QuickTreeFill project; Tree Test project (.NET)

about, 36-37

adding multithreading to, 612-627

avoiding delays filling true tree hierarchy, 591-593

class local variable for Photo project, 302

clearing nodes instantly, 585-587

constructor in Photo project, 313-314

creating virtual tree, 593-594

with data entry programs, 291-292

delegate code for Photo project, 305-309

dragging photograph to TreeView, 314-319

functions of QuickTree multithreading project, 613

increasing apparent fill speed of Tree

Test project, 587-591

initialization code for Photo project, 309-313

inserting properties and methods for external client use of, 616-619

ListViewSorter code to Photo project, 294-296

performance in VB 6.0, 573-577

Photo class code for Photo project, 296-298

PhotoList code to Photo project, 298-302

running fast TreeView example, 611-612

setting up multithreaded tree tester, 627-629

using on Statistics screen, 648, 649

tripanel form, 322, 324-325

troubleshooting. See Tracing project

Try block, 431-432, 438-440

Try-Catch-Finally block

adding Finally block, 437-443

error catching with Catch block, 433-444

exception handling and, 431

simplistic error handling with Try block, 431-432