Running a procedure at a certain time or when the user presses a certain key.
Manipulating Workbook objects in your VBA code.
Dealing with Worksheet objects.
Specifying and working with Range objects.
If you're using VBA in Excel, most of your procedures will eventually do something to the Excel environment. They might open a workbook, rename a worksheet, select a cell or range, enter a formula, or even set some of Excel's options. Therefore, knowing how VBA interacts with Excel is crucial if you ever hope to write useful routines. This chapter looks closely at that interaction. You learn how to work with all the most common Excel objects, including the Workboo k, Worksheet , and Range objects.
