>>>>>(1) The short way is to cast the return result to UInteger, and change the return type of GetCrc32() to UInteger
>>>>
>>>>This line cannot be changed to UInteger:
>>>>
>>>>

>>>>        Dim lnCRC32Result As Integer = &HFFFFFFFF
>>>>

>>>>
>>>>It would give an error: "Constant expression not representable in type 'UInteger"
>>>
>>>Yes, it seems vb interpretes those as signed
>>>
>>>http://msdn.microsoft.com/en-us/library/s9cz43ek.aspx
>>>
>>>Append the type to the constant. U and I
>>>

>>>    Dim lnCRC32Result As UInteger = &HFFFFFFFFUI
>>>

>>
>>There you go! Thx, didn't know that syntax existed :-{
>
>Well, you know more vb than I do -
I know VB just well enough to work with it where it maps pretty straightforwardly to C# and that's about it.
>I just googled my way through
And I was too lazy :-}