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Comments (VB.Net and Access VBA Cross Reference Guide)

By Mike Prestwood

VB.Net versus Access VBA: A side by side comparison between VB.Net and Access VBA.

Language Basics

Language basics is kind of a catch all for absolute beginner stuff. The items (common names) I chose for language basics is a bit random and include items like case sensitivity, commenting, declaring variables, etc.

Comments

[Other Languages]

Languages Focus

Commenting code generally has three purposes: to document your code, for psuedo coding prior to coding, and to embed compiler directives. Most languages support both a single line comment and a multiple line comment. Some languages also use comments to give instructions to the compiler or interpreter.

VB.Net: ' or REM

Commenting Code
VB.Net, like all the VB-based languages, uses a single quote (') or the original class-style basic "REM" (most developers just use a quote). VB.Net does NOT have a multiple line comment.

Syntax Example:

'Single line comment.

REM Old school single line comment.

VB.Net Comments (' or REM) 2 certification questions.

Access VBA: ' or REM

Commenting Code
Access VBA, like all the VB-based languages, uses a single quote (') or the original class-style basic "REM" (most developers just use a quote). Access VBA does NOT have a multiple line comment.

Directives - #

Directives are sometimes called compiler or preprocessor directives. A # is used for directives within Access VBA code. Access VBA offers only an #If..then/#ElseIf/#Else directive.

Syntax Example:

'Single line comment.

REM Old school single line comment.
 
#If MyDirective Then
  '...some code.
#End If

Access VBA Comments (' or REM)