| 
 
  | 
                          Tests if a field is blank                           
function PXFldBlank
   (RecHandle        : RecordHandle;          { record to test value in }
    FldHandle        : FieldHandle;           { field to test           }
    var Blank        : Boolean): Integer;     { returns TRUE/FALSE      }
Errors: PXERR_INVFIELDHANDLE     75  Invalid field handle
        PXERR_INVRECHANDLE      104  Invalid record handle | 
| 
 
  |