Function _conSetCurrentField() | Xbase++

Assign the value of a container to a field variable of the current workarea.

XPPAPIRET _conSetCurrentField(CHAR *field,
                              ContainerHandle chValue);

CHAR* field

The character pointer field contains the name of the Xbase++ field variable.

ContainerHandle chValue

The handle of a container that holds the value that is to be assigned to the field variable.

This function returns NULL if no error occured, otherwise it returns an error code (XPP_ERR_...).

The function _conSetCurrentField() is used to assign a new value to a field variable of the current workarea.

#include <windows.h> 

#include "xppdef.h" 
#include "xpppar.h" 
#include "xppcon.h" 

XPPRET XPPENTRY MyCAPIFunction(XppParamList paramList) 
{ 
   ContainerHandle chName  = _conGetCurrentField( "NAME",  NULLCONTAINER ); 
   ContainerHandle chPhone = _conGetCurrentField( "PHONE", NULLCONTAINER ); 

   /* Now swap name and phone number... */ 

   if(_conSetCurrentField( "NAME", chPhone )) 
   { 
      /* Error handler... */ 
   } 

   if(_conSetCurrentField( "PHONE", chName )) 
   { 
      /* Error handler... */ 
   } 
} 


/* Xbase++ code */ 
PROCEDURE Main 
   LOCAL aStruct := { { "NAME",  "C", 30, 0 }, ; 
                      { "PHONE", "C", 30, 0 }  } 
   CLS 

   DbCreate( "PHONELIST", aStruct ) 

   USE PHONELIST NEW EXCLUSIVE 

   APPEND BLANK 
   PHONELIST->NAME  := "XENIA B." 
   PHONELIST->PHONE := "+49 6196 9572-0" 

   ? "NAME :", PHONELIST->NAME 
   ? "PHONE:", PHONELIST->PHONE 

   MyCAPIFunction() 

   ? "NAME :", PHONELIST->NAME 
   ? "PHONE:", PHONELIST->PHONE 

   CLOSE DATABASES 
RETURN

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Function _conSetCurrentField() Foundation