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Compiler Directive Summary

Visual Basic language keywords and run-time library members are organized by purpose and use.

Action Language element
Define a compiler constant. #Const
Compile selected blocks of code. #If...Then...#Else
Collapse and hide sections of code. #Region
Indicate a mapping between source lines and text external to the source. #ExternalSource

See Also

Keywords and Members by Task | Visual Basic Language Keywords | Visual Basic Run-Time Library Members