Sergio,
.h files are processed at COMPILE time so you can't "load" them like that. If you #include it in a method then only that method has access to the #defines. You can use the Form/Class menu, then Include File to set the include file so that all methods see the #defines.
>Can someone tell me how can I use .h files to define constants.
>
>I made the following h file:
>
>*invoice.h
>#DEFINE DOCUMENT_FEE 90
>#DEFINE SEAL_FEE 3
>#DEFINE VALIDATION_FEE 20
>
>And I try to include it using:
>
>#INCLUDE [..\invoice.h]
>
>in the load event.
>
>But when I call for the constant it isn't there.
>
>
>What am I doing wrong?