Chapter 9 Macros And Visual Basic For Applications

Personal Macro Workbook A workbook that opens automatically whenever Excel is opened Any macro stored in this workbook can be used by any open workbook

Macro Macro storing Excel commands (written in Visual Basic for Applications) Visual Basic Editor (VBE) creating, displaying, running, and debugging macro commands Project Explorer locating macro modules Code window displaying micro statements

Macro Statements Sub (subroutine) statement followed by the name of the macro –Defining the beginning of the macro Comments begin with apostrophe (’) –Providing documentation End Sub statement –Defining the end of the macro

The With Block Including With and End With Performing multiple actions on the same object

Absolute Cell References Referring to a specific cell Referred to by cell address or by range name Syntax: Range(“A1”).Select –Always selecting cell A1

Relative Cell Reference (I) Referring to a cell by its position relative to the active cell Offset: giving the position relative to the active cell –First number: indicating the offset in rows A positive number: rows below the active cell –Second number: indicating the offset in columns A positive number: columns to the right of the active cell –Offset (2, 3) always refers to a cell two rows below and three columns to the right of the active cell

Relative Cell Reference (2) Range: dimensions of cell(s) –Range(“A1”): a single cell –Range(“A1:A3”): a range three rows by one column Syntax: ActiveCell.Offset(2,1).Range(“A1”). Select –Always selecting a single cell two rows below and one column to the right of the active cell

Data Management Macro Automating data list management tasks –Prompting user for input to populate a criteria range –Filtering list or displaying database functions based on those criteria Use range name for the list or the criteria range

Visual Basic for Applications Tool menu, Macro, Visual Basic Editor –Or Alt+F11 VBA: a subset of Visual Basic Macro converted to VBA programs Creating macro using macro recorder Using Visual Basic Editor to modify

Custom Button – Standard Toolbar Creating custom button: Tools menu, Customize, Command tab, selecting Macro for the category, dragging custom button to the standard toolbar, selecting Modify Selection button, typing the name to replace “&name button” (do not press enter”, selecting Assign Macro to assign a macro, selecting This Workbook for Micro in, selecting Close Deleting a micro and its custom button: –Tools menu, Micro, selecting micro name, clicking Delete button –Dragging the corresponding custom button from the standard toolbar to the worksheet area

Custom Button – Worksheet Creating: –View Menu, Toolbars, Forms, clicking Button tool, drawing a button, assigning a associated macro, typing the name for the button Selecting –Ctrl key and clicking the button (releasing the Ctrl key right away) Coping –Holding Ctrl key and clicking the button (+ sign) Deleting the macro and its corresponding micro –Tools menu, Macro, selecting the macro name, clicking Delete button, OK (performing this first) –Selecting the custom button, right clicking the mouse, selecting Cut

Common VBA statements Underscore and ampersand: continuation MsgBox statement –Displaying information to the user InputBox statement –Accepting information from the user –Storing information in a cell or memory for future usage in the program

Decision Making “If-Then-Else-End If” statement If testing a condition (true or false) “Then” clause including a series of commands to execute for the true condition –Then clause is necessity “Else” clause including commands to execute for the false condition –Else clause is optional Ends with End If statement

Loops Do Until -Loop statement –Executing statements repeatedly Begin with Do Until statement –Including a true or false condition after the Until for evaluating End with Loop statement Executing between Do and Loop statements repeatedly until the condition is true

Points to Remember Personal Macro workbook Macro Visual Basic Editor VBA statements –Information: MsgBox and InputBox –Decision making: If –Repeating: Do

Assignment Practice exercises 7 and 8 Due date: