1. Microsoft Office 2013 - Illustrated
Unit P:
Programming with Excel

2. Objectives View VBA code Analyze VBA code Write VBA code
Add a conditional statement
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3. Objectives (cont’d.) Prompt the user for data Debug a macro
Create a main procedure
Run a main procedure
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4. View VBA Code
VBA (Visual Basic for Applications): programming language for macros
Visual Basic Editor: tool within Excel
Enter and edit VBA code
Procedure: sequence of VBA statements
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5. View VBA Code (cont’d.)
Procedure header: defines the procedure’s type, name, and arguments
Arguments: variables used by other procedures that the main procedure might run
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6. View VBA Code (cont’d.)
Comments: notes explaining code; displayed in green
Keywords: recognized parts of VBA programming language; displayed in blue
Sub procedure: series of VBA statements; perform an action but do not return a value
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7. View VBA Code (cont’d.)
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8. View VBA Code (cont’d.) Understanding the Visual Basic Editor
Module: equivalent of a worksheet
Stores macro procedures
Stored in a workbook/project with worksheets
Project: collection of all workbook procedures
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9. View VBA Code (cont’d.)
Understanding the Visual Basic Editor (cont’d.)
Project Explorer: displays a list of all open projects (or workbooks) and the worksheets and modules they contain
Code window: displays the selected module’s procedures
Properties window: displays a list of characteristics related to the module
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10. Analyze VBA Code Object: every element
Range object: cell or a range of cells
Statement: line of code
Property: attribute defining an object’s characteristic
Procedure footer: last line of VBA code indicating end of procedure
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11. Analyze VBA Code (cont’d.)
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12. Write VBA Code
Open the Visual Basic Editor, add a module to the workbook, and write the code
Syntax: programming language’s formatting rules applied to code writing
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13. Write VBA Code (cont’d.)
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14. Write VBA Code (cont’d.)
Entering code using AutoComplete
VBA Editor provides AutoComplete
List of words: can be used in the macro statement and matches what you type
Appears after you press [.] (period)
Select a word in the list: double-click it or press [Tab]
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15. Add a Conditional Statement
If...Then…Else statement: code entered in a procedure to perform an action based on a certain condition or set of conditions
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16. Add a Conditional Statement (cont’d.)
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17. Prompt the User for Data
Function: predefined procedure that returns a value
InputBox function’s required elements: object.InputBox(“prompt”)
Prompt: user-friendly message that appears in input box
Variable: memory location for temporarily information storage
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18. Prompt the User for Data (cont’d.)
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19. Prompt the User for Data (cont’d.)
Naming variables (in VBA)
Must begin with a letter
Uppercase or lowercase letters allowed
Up to 255 characters long
Each name must be unique
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20. Debug a Macro Bug: error in code Debug: locate and correct error
Step Into: opens Visual Basic Editor with yellow statement selector positioned on the procedure’s first statement
Press [F8] to step to successive statements
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21. Debug a Macro (cont’d.)
Statement selector positioned on first procedure statement
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22. Debug a Macro (cont’d.) Adding security to your macro projects
Add a digital signature: guarantees the project hasn’t been altered since it was signed
Sign macros only after testing and ready to distribute
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23. Create a Main Procedure
Main procedure: several macros combined into a single procedure
Runs multiple procedures in sequence
Call statement syntax: Call procedurename
Place call statements in sequence in the main procedure
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24. Create a Main Procedure (cont’d.)
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25. Create a Main Procedure (cont’d.)
Copying a macro to another workbook
Open both the source and destination Excel workbooks
Open the Visual Basic Editor and verify that macros are enabled
In Project Explorer, drag the module that will be copied from the source workbook to the destination workbook
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26. Create a Main Procedure (cont’d.)
Writing and documenting VBA code
Make code readable by indenting and adding comments
Comments: begin with an apostrophe
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27. Run a Main Procedure
Click the name of the main procedure in the Macro dialog box and click Run
Main procedure: runs several macros in sequence
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28. Run a Main Procedure (cont’d.)
Running a macro using a button
Assign a macro to a button on a worksheet
Create a button, right-click on the button, click Assign macro, and click the desired macro
Label the button with descriptive text
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