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Excel user defined functions unlimited

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30 Nov 200619 min read 223.4K   5.7K   77  
Describes how to return tables of values as the result of user defined functions (UDF) in Excel.
/***********************************************************************
 * Module:  TOrderItem.h
 * Author:  000667
 * Created: Dienstag, 1. Juni 2004 14:38:46
 * Modified: Mittwoch, 27. Oktober 2004 14:15:44
 * Purpose: Declaration of the class TOrderItem
 * Comment: contains a single order item.
 ***********************************************************************/

#if !defined(TOrderItem_h)
#define TOrderItem_h

class TOrderItemTable;

#include <windows.h>
#include <vcl.h>
#include <string>




class TOrderItem
{
public:
   VARIANT fieldAsVARIANT(int pindex);
   /* returns a TFieldDescriptor struct of field i. Fields are numbered in a sequence
    * purpose: to simplify implementation of < operator (which in turn is needed for sorting) */
   Variant operator[](int pfieldnumber) const;

protected:
private:
   /* 0: Renten
    * 1: Aktien
    * 2: Anteilscheine
    * 3: Optionen
    * 4: Futures
    * 5: Devisentermine
    * 6: Gelder */
   Variant orderID;
   Variant customername;
   Variant orderdate;
   Variant status;
   Variant deliverydate;
   Variant description;
   Variant price;
   Variant amount;
   Variant totalprice;

   friend class TOrderItemTable;

};


#endif

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