General Category > Support Questions

Pulling a string from a CompactLogix...

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Archie:
Add this line of code at the first line of the ExtractString function, then see what is in the Visual Studio Output Window:

Console.WriteLine("Value as Hex string=" & s)

JasonT:
Getting an error that says...


--- Quote ---Severity   Code   Description   Project   File   Line   Suppression State
Error   BC30389   's' is not accessible in this context because it is 'Friend'.      58   Active

--- End quote ---

Archie:
Did you put the code like this:

--- Code: ---Private Function ExtractString(ByVal s As String) As String
        Console.WriteLine("Value as Hex string=" & s)
        Dim bytes((s.Length / 2) - 1) As Byte
        For i = 0 To (s.Length / 2) - 1
            bytes(i) = Byte.Parse(s.Substring(i * 2, 2), System.Globalization.NumberStyles.HexNumber)
        Next
        Dim StringLength As Integer = BitConverter.ToInt32(bytes, 0)
        Dim StringResult As String = System.Text.Encoding.Default.GetString(bytes, 4, bytes.Length - 4)

        Return StringResult
    End Function

--- End code ---

JasonT:
I was a bonehead...lol...I didn't put it in the right place.

As for the Output it is saying the same thing as before that the destination array is not long enough

Archie:
In the output Window you should also get

Value as Shex String=?????

I'm wanting to see what the value in hex format is,

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