Yes, each instance of the form would have it's own properties thisform.Cusref and thisform.Cusname.

>Serge,
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>What I meany by 'Private Variable ' to the form was that it will act like a 'private data session' for files .
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>In other words, if I set up M.Cusref and M.Cusname as properties using Addproperty on a form, and I then have two instances of the form open on a screen at the one time, I assume (hope) that data in these properties will be completely indepependent .
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>Regards,
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>Gerard
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>>Yes, you can add proiperties using forms Addproperty method but you cannot make properties private variables.
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>>>Is there a way to dynamically, at run time, create Properties and make them private to the form ?
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>>>If this is possible, I could cycle through each relevant file, and make each field a Property of the form.
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>>>Regards,
>>>
>>< snip ?