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  1.  Home
  2. PCTECH
  3. June 2006

VB/Delphi "kind of" Service Program_DLL

Customer is using Access/2003 for several apps. Several of them start asking for something like "Enter Customer Number", so we'd like to just implement such a Function just once and have all initial Forms for each app, when users is promted for "enter CustomerNo" either answer with a number (if he knows it) or , else, press F4 (or whatever, or a Button) to "call a Function" that will do the work: e.g. present a new Form asking for key values (LastName starting chars, FirstName starting chars, CityAreaCode, etc. Then show customers that fulfill those requirements, allow for selection of one of them , ... just to return the selected code or a "not found" value... to the original App.
Such a Function would be used throughout in several different Apps. I think one (best one???) of the alternatives would be to develop a "CustomerSelect Function, receiving no-parms, returning one integer(or zero, maybe) value of selected CustomerCode. This Function could/should be writen either in VB or Delphi, then create a .DLL with that Function, to register under Windows, to be used for any VB projects that need it. 
I think of it as a "ServiceProgram" in RPG... but as a DLL.
Anyone out there willing to share an example (either VB and/or Delphi) of such a Function? 
TIA

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