If If chkFax. Loop Structures - repeating a sequence of code lines any number of times. Assemble structures by stacking or nesting them - Pretty printing Keep your subs short to fit on one screen if possible Define variables and constants at the top of the program. Don't use them for the first time within sub routines. That way they can be easily identified and changed if necessary.
Flowcharts are diagrams which help to organize the sequence of events in a program.
Procedural Languages particularly benefit from this kind of planning. The following are some examples Adding Frames and Option Buttons to the Addressbook Form Open the Addressbook project. For the name use optGender for both . A control array is a set of controls sharing the same name. In this case it is Gender.