Access 2007 attachment, how to access by coding in c#????

Question

Hi

I have been on this two days... I just can not believe I can not find anybody know how to access a Access 2007 attachment (image) by coding in C# or any other languages.

I use VS2008, it creates a dataset for the Access Database, and I only can read the attachment column as a string, I can not find the file(memorystream) saved any where in the dataset...

Please help me !!!

Thanks a lot.