>Both are 'polynomal PKZip CRC32 compliant'
>
>Whether you return an Integer (which can be < 0) or a UInteger (always >= 0) , does not matter. It's the bit pattern that matters, ie
>
>

>0xFFFFFFFF
>
>is -1 if it is an Integer
>is  4,294,967,295 if it is a UInteger
>

>
>So,
>
>

> dim xx as Integer = &HFFFFFFFF  ' -1
>
>or
>dim xx as UInteger = &HFFFFFFFFUI ' 4,294,967,295 
>

>
>Both bit structures are equal

Well, a code I am converting right now needs access to my CRC32 class to collect the CRC32 of a file. However, this has to be compared with a CRC32 value which has been stored long time ago as part of the file name. So, using my class we wouldn't be able to compare and find a match. So, at this point, we are looking at building a secondary CRC32VFP(), which would be the one compliant with the old code so we can use it in one specific location where we would have to lookup for a specific string in the file name in regards to that.

Unless you have a suggestion in the .NET class I am using to be able to support that.