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 Visual Dorp Filter ( VDF ) or Object Oriented Filtering (OOF)
Vdf objects are set of date-centric filtering objects and provided to help speed the process of filtering application development.
Because of large amount of data records that could be received in visual systems, there is a problem of selection / filtration for asked data. For that purpose the basic objects (classes) have been developed to make filter forms, in order to work with Visual FoxPro and SQL. Easy implementation of objects and fast making of filter forms, have enabled to someone who projects to make screen forms with great number of views.User can form quickly and easy a filter demand according to his needs.This becomes evident especially with increasing number of fields of the tables from which if should form a filter.VCX library for VFP8,VFP9 development views and reports.
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