I think it is a new error message in the 2005 and later version of the compiler. I think the 1.1 allows this. The best way, I have found, to get around this error is to create another common interface such as IHasFirstPaymentDate. Then IBaseObject and ICalculateable can both inherit without the warning. Need software developed? Offering C# development all over the United States, ERL GLOBAL, Inc is the only call you will have to make. Happiness in intelligent people is the rarest thing I know. -- Ernest Hemingway Most of this sig is for Google, not ego.

I guess I deserved that one. WarePhreak Programmers are tools to convert caffiene to code.