Computer Programming Concepts and Visual Basic David I. Schneider

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I If block, 106-112, 114, 119, 126, 246, 327, 437, 463 Image control, 302-303, 316, 362, 374, 451 Immediate window, 457-458, 461, 464 Income tax, 99, 119-121, 123-125, 127 Indenting, 111, 118, 135, 146 Index property, 179-181, 183-184, 209, 418, 438, 440 Inequality, 114, 119 infinite Loop, 10, 135, 204, 330 Inheritance, 373-374 initial Value, 142, 144, 153, 199 Initialize event, 362, 364, 377 Input # statement, 49-51, 57-58, 162 Input box, 49, 52-53, 57-58, 288, 306, 317, 370 InputBox function, 132, 438 Insert Object dialog box, 388-389 Integer division, 65 Integer variable, 46, 436, 446 interface, 4, 21, 27-29, 122, 148, 201, 229, 365, 414 internet, 280-281, 392-397, 399-402, 409 Interval property, 300, 438, 452 ItemData property, 289, 316, 439 K KeyPress event, 46-48, 439 Keyword, 33-34, 40, 56, 153, 313, 365, 371, 373, 381, 402, 412, 424, 431, 443, 452, 454 L Leading space, 39, 445 Least-squares approximation, 155 Left property, 203, 439 Library, 86, 92, 346, 351 Like Operator, 338, 350 Line chart, 267, 269, 273-274, 276 Line feed, 39, 217-218, 397, 407, 440, 451, 454 Line method, 261-262, 266, 273, 276, 282, 432, 440 List box, 85, 287-290, 292-293, 316-319, 326, 330, 340-341, 344, 350-351, 356, 381-382, 423, 425, 428, 430, 432, 440, 443, 445 List Properties/Methods, 30, 34 List property, 287, 289, 440 Load statement, 179, 182-184, 209 LoadPicture function, 302 Local Array, 165, 176-177 Locals window, 459, 462 Logical error, 41, 457 Logical operator, 104-105, 108, 423, 443, 445, 454 Long division, 60, 65 M Member Variable, 357-358, 361, 374 Memory, 37-38, 44, 81, 83, 162-163, 165, 247, 310, 355, 364, 373, 424, 427- 429, 431, 438-439, 441, 443, 446, 449-450, 455 Menu bar, 18, 309, 389, 414, 459 Menu control, 303, 308 Message box, 33, 55, 93, 213, 232, 238, 327, 381, 390, 401 Modular design, 93, 95-97 Module, 8, 94, 96, 247-250, 252-253, 255, 313, 355, 357-358, 361-365, 371, 374- 375, 377-378, 380-381, 431, 437, 445- 446, 452 Mouse, 18-21, 27, 29, 31, 33, 48, 288, 294, 304, 309, 311, 316, 343-346, 389, 411, 415-417, 420, 426, 428, 442, 449, 460, 464 MsgBox statement, 67, 442-443 MultiLine property, 22, 417, 443, 448 Multiple forms, 303, 311 N Name property, 26, 309, 324, 357, 361, 370, 400, 443 Navigation arrows, 325, 331 New program, 23-24, 357, 410 NewIndex property, 316, 439, 443 Notepad, 49-50, 58, 217-218, 397, 399, 414, 464 null String, 47, 204, 426, 429, 438 Number property, 221 Numeric Expression, 38, 55, 62 Numeric function, 87 numeric Variable, 42, 44-45, 47, 50, 53, 57, 64, 104, 115, 138, 141-142, 439 O Object box, 19, 26, 29, 31, 48, 80, 418 Object-oriented programming, 353, 355, 357 OLE, 385-392, 403, 423, 426-428, 437, 452-453 OLE automation, 385-386, 390-391, 403, 427, 437, 452-453 OLE automation object, 385-386, 390-391, 427, 437, 452-453 OLE container control, 388-389, 392, 403 On Error, 222, 393-394, 402, 431, 444, 447 On Error GoTo statement, 402 Open common dialog box, 313 Open statement, 50, 57, 228, 402, 444 Opening a file for append, 218 Opening a file for input, 49 Opening a file for output, 217 Option button, 294, 296-298, 316, 388, 390, 413, 445, 453 Option button control, 296 Option Explicit, 48, 444 Ordered array, 171-173, 177 Output, 3-7, 9, 11-12, 18, 39, 45, 49-51, 53, 55-58, 65, 68-69, 83, 87, 94, 97-99, 119, 148, 154, 157, 163, 210, 217- 220, 224-227, 232, 234-235, 237-238, 240, 245-246, 266, 274, 278-280, 292, 362, 370, 388, 420-421, 431, 434-435, 443-445, 454 P Parameter, 58, 76-77, 80-81, 83, 92, 97, 176, 181, 249, 251, 269, 346, 365, 427, 436, 439, 441, 444-446, 451 Parenthesis, 52, 80 Pascal, 135, 177 passed by reference, 81, 92 passed by value, 83, 92-93 Passing an array, 176 Passing by reference, 81, 365 Passing by value, 83, 365 Path property, 316, 428, 445 Pattern property, 293, 440, 445 Pie chart, 280-281 Poker, 212, 377 Polymorphism, 365 Positioning text, 263 Primary key, 330-331, 333, 338, 344-346, 350 Print common dialog box, 314, 436 Print method, 38-39, 42-43, 49, 53, 67, 87, 96, 264, 445, 461 Print zone, 53, 58, 445 Printer object, 67, 437, 445, 453 Procedure box, 29-30, 80, 419 Program development cycle, 3-5 Program documentation, 5, 56 Program modes, 41, 457 Programming style, 111, 118, 135, 146 Project Container window, 26-27, 416 Project Explorer window, 18, 311, 411, 418 Properties window, 18-20, 22-27, 179, 184, 315, 324, 329-330, 356-357, 400, 402, 416-417 PSet method, 282, 446 pseudocode, 4-5, 7-10, 12-13, 93, 106, 114, 121, 131, 133, 135-137, 142, 150 Public keyword, 313 Put statement, 254, 446, 449 Q Quadratic formula, 127 Question mark, 333, 443 Quick Info, 48, 52 Quotient, 5, 60, 65 Index 467 R Radian measure, 456 RaiseEvent statement, 381, 431 Random number, 64, 379 Random-access file, 223, 251-255, 436, 440, 446, 449 Range chart, 283 Range of an array, 169 record Variable, 248-251, 253, 454 RecordCount property, 326, 340 RecordSet, 325-326, 328-329, 334, 336- 338, 340-342, 344, 346-348, 350, 431- 432, 446 RecordSource property, 324, 332, 339, 350, 446 Rectangle shape, 301 ReDim statement, 167, 170-171, 429, 450, 455 Referential integrity, 331, 350 Refresh method, 350, 447
468 Technology of the Internet Relational database, 324, 331, 334, 348 Remainder, 35, 60, 65, 393, 435, 442 Remove method, 381 RemoveItem method, 447 Reserved word, 35, 40 Reusable, 96 Right arrow, 309-310, 414 Rnd Function, 64, 351 Row property, 304, 426 RowHeight property, 304 Rule of entity integrity, 338, 350 Rule of referential integrity, 331, 350 Run time, 18, 27, 34, 179-180, 182-184, 209, 288, 294, 296, 300, 302-304, 350, 391, 420-421, 423-424, 450, 457 S Save As common dialog box, 314 Save File As dialog box, 22 Save Project icon, 22, 410 Scale method, 261, 264-266, 273, 282, 448, 455 scientific Notation, 36, 434-435 scroll bar, 293, 298, 304, 417, 425, 439, 450, 453 Scroll bar controls, 298 Scroll event, 299 ScrollBars property, 304, 448 Sector of a circle, 278 Segmented bar chart, 283 Select Case block, 112-114, 117-119, 126, 449, 463 Select statement, 118 Selected object, 19, 23, 26 Selected text, 19 Selector, 112-119, 126, 463 SelText property, 311 Semicolon, 39, 445 Sequence structure, 8 sequential file, 217-218, 223, 227, 237-240, 254, 304, 317-318, 382, 438, 440, 444-445, 454 sequential Search, 178, 191 Set statement, 385-386, 403, 449 SetFocus method, 437, 441 Settings box, 20-21, 289, 325, 416-417 Shape control, 301, 318, 424 Shell Sort, 184, 188-191, 195, 209 shortcut Key, 309 Shortcut keys, 413 Show method, 315, 317, 362, 450 Simple variable, 161 Sizing handles, 19, 27, 416 SmallChange property, 450 Smart editor, 40, 119, 254 Social Security tax, 124 Sorted property, 287-289, 316, 450 SQL, 330-340, 343, 350, 446 Start button, 17, 27, 58, 300, 400, 410, 414, 457 Start icon, 22, 410 Static Array, 450, 455 Step keyword, 153 step Value, 143-144 Stepwise refinement, 93, 121, 148 Str function, 427, 450 Stretch property, 302, 451 String constant, 42, 47, 76 String expression, 43, 116, 428 String function, 439, 452 String Variable, 42, 45, 50, 52, 77, 104, 115, 117, 178, 310, 336-337, 436, 439-441, 446, 448 strings, 26, 42-48, 55, 57, 60-62, 65, 67-68, 103-104, 163-164, 172, 196, 212, 218, 245-247, 251, 287, 308, 315-316, 332, 334, 344, 426-428, 434-435, 450, 453- 454 Structure, 8-10, 28, 47, 96, 112, 162, 247, 343-346, 431, 437 structured programming, 12, 93, 95-97 structured query language, 331, 350 Stub programming, 96 Sub procedure, 73-84, 86, 93, 98, 121, 127, 150, 176, 190, 231, 253, 269, 361, 365, 419, 424, 431, 451, 461-462 Subdirectory, 50, 425, 441 Subroutine, 437, 447, 456 Subscript, 166-167, 169, 171-172, 175, 187, 192, 194, 196, 209, 222, 439, 444, 452 Subscripted variable, 162, 197, 439 substring, 60-61, 65, 438, 441 Subtraction, 35 T Tab function, 49, 54, 58 Tab key, 26-27, 32-33, 47, 58, 413, 415, 418, 451 Tab order, 449 TabIndex property, 418 Tag, 397-401, 427, 429, 438, 441, 450-451, 456 Terminate event, 364, 380 Terminating value, 142, 144, 153 Testing, 4, 131, 135 Text box control, 201-202 Text property, 20, 29, 180, 204, 288, 291, 308, 316, 341, 423, 434, 451 TextWidth method, 264-265 Thumb, 5, 49, 298-300, 355, 365, 425, 439, 441, 450, 453 Tic-tac-toe, 318, 381 Timer control, 300, 313, 316, 438, 452 Timer event, 438, 452 Toolbar, 18-19, 22, 33-34, 182, 338, 344, 356-357, 393-394, 402, 410, 457 Toolbox, 18-19, 23-25, 287, 292, 294, 303, 313, 355-356, 385, 389-390, 393, 415, 438 Top property, 203, 452 Top-down design, 80, 86, 93-94 Trailing space, 39, 445 Truth value, 112, 127, 131, 133, 429 Twip, 182, 455 Two-dimensional Array, 196-198, 202, 209, 211-212, 429 U URL, 393-396 User-defined event, 371, 431 User-defined function, 89, 91, 156 V Validate event procedure, 327, 330, 453 validation event, 326 Value property, 294, 296-297, 316, 350, 431, 439, 450, 453 VBScript, 66, 397, 399, 401-403 View, 18-19, 27, 33, 41, 117, 334, 342, 346, 351, 365, 397, 402, 411-412, 418-419, 457-459, 461-462 Virtual table, 334, 350, 446 Visible property, 26, 183, 310, 453 Visual Basic controls, 17, 385 Visual Basic Notation, 35 Visual Basic objects, 17, 19, 21, 23, 25, 27 Visual Basic statements, 106, 145, 423 Visual Data Manager, 324, 330, 338, 342- 343, 349-350 W Watch type icons, 458 Watch window, 458-459, 464 Web browser control, 393-396 Web page, 393-394, 397-402 Wildcard characters, 293, 315, 332, 445 Windows environment, 414, 432-433 WithEvents keyword, 373 Word Basic, 385, 388, 427 WordWrap property, 417, 454 World Wide Web, 302, 392, 403 Write # statement, 217-218, 453
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Computer Programming Concepts and V
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CONTENTS SECTION 1: PROBLEM SOLVING
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13.3 WEB PAGE PROGRAMMING WITH VBSC
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S E C T I O N 1 PROBLEM SOLVING
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4 Computer Programming Concepts and
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10 Computer Programming Concepts an
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S E C T I O N 2 FUNDAMENTALS OF PRO
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3.1 SUB PROCEDURES, PART I Structur
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The second task performed by the ad
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‘The density (number of people pe
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"Hawaii", 1184000, 6471 "Alaska", 6
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dure by just using the variable in
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Call CalculateSum(x, y, s) Call Dis
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■ FORM-LEVEL VARIABLES Visual Bas
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3. In Appendix D, the section “St
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Private Sub cmdDetermine_Click() Di
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Private Sub cmdCompute_Click() Dim
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preceded with the word ByVal. Built
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It is clear from the hierarchy char
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The meaningful procedure names, alo
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FIGURE 3-9 Sample Run for Programmi
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4.1 RELATIONAL AND LOGICAL OPERATOR
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(a) (2 < n) And (n < 6) (b) (2 < n)
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SOLUTION: In the following program,
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The Else part of an If block can be
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picTax.Cls picTax.Print “Your FIC
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Case 4, 5 picOutcome.Print “You a
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EXAMPLE 3 The following program use
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Case Else picResult.Print “The st
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4. The items in the value list must
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The hierarchy chart in Figure 4-4 s
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‘Program to compute employees’
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Private Function TaxMarried(adjPay
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and tells us whether the food meets
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S E C T I O N 5 REPETITION
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132 Computer Programming Concepts a
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S E C T I O N 6 ARRAYS
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S E C T I O N 7 SEQUENTIAL FILES
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S E C T I O N 8 RANDOM-ACCESS FILES
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S E C T I O N 9 THE GRAPHICAL DISPL
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10.1 LIST BOXES AND COMBO BOXES The
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Private Sub cmdAdd_Click() Dim item
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either typing in information or jus
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Private Sub cmdDisplay_Click() picF
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clicks on the square to toggle betw
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circle and the button is said to be
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hsbBar.Value changes accordingly. T
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THE SHAPE CONTROL The shape control
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FIGURE 10-9 A Picture Created with
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Rows 9 ScrollBars 0 - flexScrollBar
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Private Sub cmdQuit_Click() End End
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Here, the menu bar contains two men
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Clipboard.Clear deletes the content
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cedures that are available to all f
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The Flags property influences certa
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13. Additional forms serve as new w
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6. Voting Machine. The members of t
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11.1 AN INTRODUCTION TO DATABASES T
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9. Click on the down arrow to the r
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clicked or a Move, Update, Delete,
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Do While (Not foundFlag) And (Not d
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mary key. Databases of student enro
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question mark stands for a single c
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1995 populations. When the second c
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If a Find method does not locate a
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place an x in the check box next to
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population (in descending order). W
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Creating and Designing Databases 34
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9. When all fields have been specif
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Creating and Designing Databases 34
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TABLE 11.5(B) TABLE 11.5(C) course
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(a) Update the quantity field of th
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12.1 CLASSES AND OBJECTS noun A wor
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Task Statement Assign a value to a
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EXAMPLE 1 and then an instance of t
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[Run, enter the data for a student
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SOLUTION: Object Property Setting f
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4. Methods can be either Function o
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‘Student Class (CStudent) Private
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txtFinal.Text = “” picGrades.Pr
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■ EVENTS In the previous section
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frmCircles.ForeColor = vbRed ‘Mak
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Public Function X() As Integer X =
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End Sub Private Sub cmdDropBomb_Cli
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Next i End Sub Public Function Read
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Remove method. The number of object
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S E C T I O N 13 COMMUNICATING WITH
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A P P E N D I C E S
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Page 426 and 427: 418 Computer Programming Concepts a
Page 431 and 432: APPENDIX C VISUAL BASIC STATEMENTS,
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Page 437 and 438: DEFINT, DEFLNG, DEFSNG, DEFDBL, DEF
Page 439 and 440: ENVIRON Visual Basic has an environ
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Page 443 and 444: yields “1234.”, Format(1234000,
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Page 447 and 448: ISNUMERIC The value of the function
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Page 451 and 452: Focus Default Default Number First
Page 453 and 454: OR (Logical Operator) The logical e
Page 455 and 456: the same as in the original Dimensi
Page 457 and 458: SECOND The function Second extracts
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Page 461 and 462: UNLOCK The Unlock command is intend
Page 463 and 464: [COLOR]: Numbers written in base 16
Page 465 and 466: Appendix D 457
Page 475: 466 Technology of the Internet D Da
Page 479 and 480: 470 Technology of the Internet 2. D
Page 481: SYSTEM REQUIREMENTS CD-ROM INSTRUCT
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