Code Commenting Conventions in Visual Basic 6

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While programming comments are very useful. As these help the current development and the future development of the program. Comments should provide the clear picture of procedure or variable declaration.

A comment should have following sections for procedure

 Section Heading Comment Description
 Purpose What the procedure does
 Assumptions List of each external variable, control, open file, or another element that is not obvious.
 Effects List of each affected external variable, control, or file and the effect it has (only if this is not obvious)
 Inputs Each argument that may not be obvious; arguments are on a separate line with inline comments
 Returns Explanation of the values returned by functions

‘ procedureName()
‘ Purpose: Sum of two numbers
‘ Inputs: a , b – the two values to be summed
‘ Returns: The sum of two numbers

It’s particularly important to list all the global variables a procedure uses or affects in this initial comment block.