Computer Programming Concepts and Visual Basic David I. Schneider

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9.1 INTRODUCTION TO GRAPHICS Visual Basic has impressive graphics capabilities. Figure 9-1 shows four types of charts that can be displayed in a picture box and printed by the printer. FIGURE 9-1 Four Types of Charts The construction of each of these charts involves three basic steps: (1) define a coordinate system; (2) use graphics methods to draw the appropriate lines, rectangles, and circles; 259
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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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Page 223: S E C T I O N 7 SEQUENTIAL FILES
Page 251: S E C T I O N 8 RANDOM-ACCESS FILES
Page 265: S E C T I O N 9 THE GRAPHICAL DISPL
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Page 285 and 286: 9.4 PIE CHARTS Drawing pie charts r
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S E C T I O N 11 DATABASE MANAGEMEN
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S E C T I O N 12 OBJECT-ORIENTED PR
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13.1 OLE OLE, which stands for Obje
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Dim objExcel As Object ‘In (Decla
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FIGURE 13-2 Dialog Box for Insertin
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Notice that the document in the OLE
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To access an initial Web page, you
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EXAMPLE 2 The following enhancement
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DownloadComplete Triggered when the
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FIGURE 13-5 Web Page ■ PLACING AC
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FIGURE 13-7 14. Feel free to type i
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SUMMARY 1. OLE, a technology develo
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APPENDIX A ANSI VALUES ANSIValue Ch
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APPENDIX B HOW TO HOW TO: INSTALL,
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4. If you selected Recent, double-c
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3. Press F1. C. Display an ANSI tab
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2. Point to Programs. 3. Point to A
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1. Press F4. or 1. Click on an obje
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3. Click on the down arrow at the r
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B. Remove all breakpoints. 1. Press
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APPENDIX D VISUAL BASIC DEBUGGING T
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can then alter the expression in th
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point. (Pressing F9 is referred to
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2. Press F8, click the command butt
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I N D E X A Access key, 24, 296-297
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I If block, 106-112, 114, 119, 126,
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END-USER LICENSE AGREEMENT FOR MICR
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MISCELLANEOUS If you acquired this
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Computer Programming Concepts and Visual Basic David I. Schneider

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