Warning 6 Variable is passed by reference before it has been assigned a value. A null reference exception could result at runtime.

Question

User-1646638908 posted

 I totally understand why I am getting the error. However I want it to avoid the compile-time error.

I can't figure out how to do it.  Is there a way to prevent it, there must be.

Dim NamesArray() As String
' NamesArray passed by REFERENCE !
Me.RemoveCommonWords(names, SlimName, NamesArray)

 

 

Thanks in advance.

 

Answer 1

User397347636 posted

Set the variable to Nothing before calling the method.

Answer 2

User-1646638908 posted

Woohoo !!! That did it... a problem since I started coding - really, believe to or else.

 

Here is exactly how I avoid the compile time error:

 

Dim NamesArray() As String  = Nothing

Answer 3

User-1630302068 posted

 Warnings exist to point out common errors can lead to very subtle bugs.  A good rule is to always initialize your variables to /something/ even if it's the default values.