private static OperationExecuteResult TryExecuteUnary()
        {
            var result = new OperationExecuteResult
            {
                Success = false
            };

            if (OperationData != 0)
            {
                result.Success = true;
                FirstData      = OperationHandler.Execute(OperationData, FirstData);
                SecondData     = 0;
            }
            StrData = "";
            return(result);
        }
 public static void SetFirstDataFromOperation(Operations operation)
 {
     OperationData = operation;
     FirstData     = OperationHandler.Execute(operation);
 }