TcxGridColumnCompareRowValuesEvent = procedure(Sender: TcxGridColumn; ARow1: TcxGridDataRow; AProperties1: TcxCustomEditProperties; const AValue1: TcxEditValue; ARow2: TcxGridDataRow; AProperties2: TcxCustomEditProperties; const AValue2: TcxEditValue; var AAreEqual: Boolean) of object;