1. Controls, Properties, and Procedures
090500

2. VB Coding Code colors Commenting
Procedures (Subroutines and Functions)
Objects: Controls

3. Code Colors Black – General coding, Objects Blue – Keywords
Green - Other

4. Commenting
Add comments (start line with an apostrophe) to EXPLAIN EVERY SECTION OF CODE.
Comments are great ways to quickly hide unwanted code from the computer.

5. Procedures
A procedure is a section of code that performs a specific task
A subroutine is a procedure. Events call subroutines. Your program may also call a subroutine.
A function is a procedure that returns a value. Subroutines that contain formulas that return values are functions.

6. Many Functions are Built-in
Cint(MyNumber)
Len(MyWord)
Many Others

7. Calling Subroutines and Procedures
Call MySubroutine()
MySubroutine()
MyCircumference=_
MyCircle(myRadius)

8. Objects: Controls
Controls are objects. Objects have properties and procedures (called methods) associated with them.
cmdButton1.Caption =_
“My Button”
lstColors.AddItem “Aqua”
A method is a procedure that acts on the object that calls it. Above, the list control called the AddItem method.

9. Review
Control
Procedure
Function
Subroutine
Event
Method
Property