Program Flow

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Program Flow

• Visual Basic
• Molloy College
• Dr. Cohen

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Loops

• Do Loop
• Do
• Statements
• Loop While condition

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Loops

• Do Loop
• Dim intNum As Integer
• intNum0
• Do
• intNumintNum X
• Loop While intNum lt 12

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Loops

• Do While
• Do While condition
• Statements
• Loop

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Loops

• Do While
• Dim intNum As Integer
• intNum0
• Do While intNum lt 21
• intNumintNum 1
• Loop

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Loops

• Interrupt an infinite loop
• By pressing Ctrl Break

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Loops

• Do Loops execute
• at least once
• Do Whiles execute
• zero or more times

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Loops

• ForNext
• For counter start
• to end
• Statements
• Next counter

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Loops

• Dim intNum As Integer
• For intNum 1 to 10
• MsgBox intNum
• Next intNum

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Loops

• Dim intNum As Integer
• For intNum 10 to 1 Step -1
• MsgBox intNum
• Next intNum

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Input Boxes

• InputBox(prompt, title)

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Input Boxes

• InputBox(Enter Text, Input Box)

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Input Box
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Users input is put into a label.
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Generate Strings
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String Conversion Functions
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Manipulating Strings
Put on left side of equation.
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More Functions Len, Instr, Asc, Chr
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More Functions Comparison Strings
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Data Storage

• Letters are stored as numbers
• ASC turns letters into numbers
• CHR turns numbers into letters

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What they do now
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What they do now
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What they do now
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Data, Input, Loopinglet the computer work for
you!