CODEWITHSUNDEEP
vb.netfunction
etalon11
etalon11

Reputation: 984

Deactivate Return-Value-Assignment to a Function in VB.net

Is there a way to deactivate the following behavior of the IDE? This is very silly and you don't see this error at once. Hopy my comments in the coding explain it well.

As you see both lines return different things:

Faulty Line (Returns "false" because it addresses the return value of the function I am in)

If HasIpAddress Then

Correct Line (Adresses the function with an other signature):

If HasIpAddress() Then

Coding:

Public Shared Function HasIpAddress(ByVal p_WaitTimeInSeconds As Integer) As Boolean

    Dim dEnd As Date = Date.Now.AddSeconds(p_WaitTimeInSeconds)

    While dEnd > Date.Now

        If HasIpAddress Then ' THIS is the faulty line. 
        ' If HasIpAddress() Then ' THIS line would work, because of the "()"
        ' it addresses the function without parameters and not 
        ' the return-value of the current function I am in.
            Return True
        End If

        System.Threading.Thread.Sleep(100)

    End While

    Return False

End Function

Public Shared Function HasIpAddress() As Boolean

     With System.Net.IPAddress.Parse(NetworkTools.GetMyIpAddress())
           ...Check for Loopbacks, Any, None etc...
     End While

     Return True

End Function

Upvotes: 0

Views: 40

Answers (1)

Konrad Rudolph
Konrad Rudolph

Reputation: 545588

You cannot change this behaviour, it’s a non-configurable part of the language (unlike, say, Option Strict). So there’s no general way for avoiding this pitfall other than training yourself to always put () behind function calls, even if the function has no argument, and hoping that muscle memory will kick in at some point.

Upvotes: 3

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