version 2003
PA_GetRealField (tNum; fNum) double
Parameter | Type | Description | |
tNum | short | Table number of the field to access | |
fNum | short | Field number of the field to access | |
Function result | double | Value 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
Error Handling
Use PA_GetLastError to see if an error occurred (eER_InvalidFileNumber, eER_InvalidFieldNumber)