>I have difficulties to picture how it works. How do you make the code in the vb program?
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>When a user log in, i guess you get all the functionnalities he has and puts them in an array or something like that and when he select a function in a menu or toolbar you have something thats checks if he has access???? am I right?? if not please explain it to me.
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>Does your method works if you have to disable a specific field in a form for a specific profile or user?
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>Thanks.

You're right. I have an array that includes all the user's right.

When I need to know if a user can access a particular screen or field, I search the array.