anchor.diff:      procedure SetSummaryValues (aScreenValues: TmSummaryScreenValues);
     end;
   
  -  TmSummaryOperator = (soCount, soSum, soMax, soMin);
  +  TmSummaryOperator = (soCount, soCountDistinct, soSum, soMax, soMin);
   
     { TmSummaryDefinition }
   
  
positive.code:   FDoubleValue:= TNullableDouble.Create();
    FStringValue:= TNullableString.Create();
    FIntegerValue:= TNullableInteger.Create();
  end;
  
  destructor TmSummaryValue.Destroy;
  
negative.code:   FDoubleValue.Free;
    FStringValue.Free;
    FIntegerValue.Free;
    FUniqueValues.Free;
    inherited Destroy;
  end;
  
  