PA_GetRealField

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version 2003


PA_GetRealField (tNum; fNum) double

ParameterTypeDescription
tNumshortTable number of the field to access
fNumshortField number of the field to access
Function resultdoubleValue of the field

Description

The routine PA_GetRealField returns the value of the real field number fNum of the current record of table number tNum.

If the field is not a real field, the routine returns 0.0 and an error code in PA_GetLastError.

Example

Check the value of a field.

   double   value;
   value = PA_GetRealField( 1, 3 );
   if ( PA_GetLastError() == eER_NoErr )
   {
      if ( value < 0.0 )
      {
         /* . . . */
      }
   }

See Also

PA_SetRealField.

Error Handling

Use PA_GetLastError to see if an error occurred (eER_InvalidFileNumber, eER_InvalidFieldNumber)


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