Computer Programming Concepts and Visual Basic David I. Schneider

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Page 1 and 2: Computer Programming Concepts and V
Page 3 and 4: CONTENTS SECTION 1: PROBLEM SOLVING
Page 5: 13.3 WEB PAGE PROGRAMMING WITH VBSC
Page 11 and 12: 1.1 PROGRAM DEVELOPMENT CYCLE Hardw
Page 13 and 14: 6. Complete the documentation: Orga
Page 15 and 16: FIGURE 1-1 Flowchart for the Postag
Page 17 and 18: FIGURE 1-3 Pseudocode and Flowchart
Page 19 and 20: ■ CLASS AVERAGE ALGORITHM Problem
Page 21: 7. There are many styles of pseudoc
Page 25 and 26: 2.1 VISUAL BASIC OBJECTS Visual Bas
Page 27 and 28: A TEXT BOX WALKTHROUGH 1. Double-cl
Page 29 and 30: FIGURE 2-6 Setting the ForeColor Pr
Page 31 and 32: 26. Click the Save button when you
Page 33 and 34: 2. Double-click on the picture box
Page 35 and 36: ground color and caption. Setting t
Page 37 and 38: Object box 1. Create the interface
Page 39 and 40: FIGURE 2-18 A GotFocus Event Proced
Page 41 and 42: 14. Click on the text box or press
Page 43 and 44: ■ ARITHMETIC OPERATIONS The five
Page 45 and 46: ■ VARIABLES In applied mathematic
Page 47 and 48: Notice that the negative number -3
Page 49 and 50: to the file by the filespec “C:\D
Page 51 and 52: EXAMPLE 2 The following program ill
Page 53 and 54: ■ USING TEXT BOXES FOR INPUT AND
Page 55 and 56: Object Property Setting frm3_4_7 Ca
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14. Variable names should describe
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EXAMPLE 2 The following program use
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EXAMPLE 4 In the following solution
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picTable.Print “Female”; Tab(10
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Some of the benefits of documentati
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EXAMPLE 1 The following program eva
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Like the numeric functions discusse
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EXAMPLE 7 The following program pro
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EXAMPLE 8 The DC Lottery number is
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SUMMARY 1. The Visual Basic screen
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The Jones family has been selected
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S E C T I O N 3 GENERAL PROCEDURES
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74 Computer Programming Concepts an
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S E C T I O N 4 DECISIONS
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104 Computer Programming Concepts a
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5.1 DO LOOPS A loop, one of the mos
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Note: If a file other than SECRET.T
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Private Sub cmdButton_Click() Dim n
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Do While there are still data in th
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■ FLAGS A flag is a variable that
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Similarly, the statements Do While
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Private Sub cmdDisplay_Click() Dim
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The body of a For...Next loop can c
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correct payment = Round(payment + .
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picDisp FIGURE 5-8 Monthly Payment
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Call InputData(principal, yearlyRat
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Dim yrs As String, pay As Single, p
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togram of 1994 levels, respectively
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7. Depreciation to a Salvage Value
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6.1 CREATING AND ACCESSING ARRAYS A
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sets aside a portion of memory for
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End Sub [Run, type White Sox into t
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’Determine amount of data to be p
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The range of an array need not just
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3. The two arrays in Example 3 are
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FIGURE 6-5 Flowchart for a Search o
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Private Sub cmdMerge_Click() Dim m
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Sometimes it is also necessary to p
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num(5) = 10 picOutput.Print Triple(
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sales = 0 For depNum = 0 To 4 sales
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If controlName is the name of a con
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■ BUBBLE SORT The bubble sort is
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Houston 3.7 $31,488 67 8 Los Angele
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The Shell sort is illustrated in wh
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Open “SHOEPART.TXT” For Input A
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EXAMPLE 5 In the following program
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last = middle - 1 Case Is < searchC
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dimensions an array of type varType
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SOLUTION: Coding is simplified by u
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■ THE DESIGN OF THE PROGRAM Figur
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Index 1 lblColLab() Caption A Index
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Dim maxCol As Integer ‘Number of
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txtCell(Indx(10, 1)).Text = “Food
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ow = incStartRow ElseIf (row > incS
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3. Rudimentary Translator. Table 6.
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Section 6 Programming Projects 213
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7.1 SEQUENTIAL FILES Throughout thi
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4. After all the data have been rec
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Write #2, nom, yob Else foundFlag =
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(a) Often a large portion of the fi
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Close #1 End Sub [Run, and then cli
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■ CONTROL BREAK PROCESSING Suppos
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and reporting balances—have becom
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to the SetupCheck Sub procedure, wh
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Dim message As String ‘If one of
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A Case Study: Recording Checks and
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cmdRecord.Caption = “&Record This
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(e) Print out the names and phone n
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Note: The first array must be searc
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8.1 USER-DEFINED DATA TYPES Records
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■ RECORDS In this text, we have w
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EXAMPLE 3 The following program pro
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3. Statements of the form picBox.Pr
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The two-step procedure for reading
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SUMMARY 1. A fixed-length string is
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9.1 INTRODUCTION TO GRAPHICS Visual
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(c) The point (-2, 0) is the left-h
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picOutput.Scale (-2, 12)-(12, -2)
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the picture box. The TextWidth meth
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9.2 LINE CHARTS A line chart displa
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Private Sub ShowTitle() ‘Display
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picEnroll.Line (i, female(i))-(i +
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placed before the Scale method is e
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Private Sub DrawData(male() As Sing
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9.4 PIE CHARTS Drawing pie charts r
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EXAMPLE 3 Write a program to draw t
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‘space of 1.75 radii will remain
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2. Figure 9-24 is called a horizont
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S E C T I O N 10 ADDITIONAL CONTROL
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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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