>MyVfpDll(MyInputParam,ref MyOutputParam)

>I have a VFP DLL thats working fine being called from within a Dot Net App, and am passing in a parameter as in:
>string MyInputParam;
>MyInputParam = "100"
>MyVfpDll(MyInputParam)
>..this works great.
>
>I also want to pass an Output paramater as in
>string MyOutputParam
>MyOutputparam = "Blank Now"
>MyVfpDll(MyInputParam,MyOutputParam)
>...at this stage MyOutPutparm should have something different
>
>However, even though MyOutputParam gets changed in the VFP dll,after returning from the DLL, it has not changed in .Net.
>
>Anybody know if theres something else I need to do ?
>Regards,
>Gerard