VBA Sub and Function Procedures
In This Chapter
Understanding the difference between Sub procedures and Function procedures
Executing Sub procedures (many ways)
Executing Function procedures (two ways)
Several times in preceding chapters, I mention Sub procedures and allude to the fact that Function procedures also play a role in VBA. In this chapter, the secrets are revealed, and I clear up any confusion about these concepts.
Subs versus Functions
The VBA code that you write in the Visual Basic Editor is known as a procedure. The two most common types of procedures are Sub and Function.
A Sub procedure is a group of VBA statements that performs an action (or actions) with Excel.
A Function procedure is a group of VBA statements that performs a calculation and returns a single value (or an array).
Most of the macros you write in VBA are Sub procedures. You can think of a Sub procedure as being like a command: Execute the Sub procedure and something happens. (Of course, ...