using System.IO;

using System.Xml;

using System.Xml.Serialization;

using System.Collections.Generic;

​

public class ObjectItem

{

    [XmlElement(ElementName = "Property", Order = 0)]

    public string EmailAddress { get; set; }

​

    [XmlElement(ElementName = "Property", Order = 1)]

    public string ExpirationDate { get; set; }

}

​

​

[XmlRoot(ElementName = "Objects")]

public class Root

{

​

    [XmlElement(ElementName = "Object")]

    public List<ObjectItem> Object { get; set; }

}

​

public class Program

{

    public static void Main()

    {

        var xml = """

            <?xml version="1.0" encoding="utf-8"?>

            <Objects>

              <Object Type="System.Management.Automation.PSCustomObject">

                <Property Name="EmailAddress" Type="System.String">Anton.Antonov@gamil.com</Property>

                <Property Name="ExpirationDate" Type="System.DateTime">21.07.2022 10:54:59</Property>

              </Object>

              <Object Type="System.Management.Automation.PSCustomObject">

                <Property Name="EmailAddress" Type="System.String">Slavka.Pavlov@mail.r0</Property>

                <Property Name="ExpirationDate" Type="System.DateTime">23.02.2021 5:51:59</Property>

              </Object>

            </Objects>

            """;

​

        XmlSerializer serializer = new XmlSerializer(typeof(Root));

        using var reader = new StringReader(xml);

        var items = (Root)serializer.Deserialize(reader);

        //Отладка

        FiddleHelper.WriteTable(items.Object);

    }

}