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using System.IO.Compression;
using System.Runtime.Serialization;
// in some method where 'dcs is a DataContractSerializer  instance, 'flename is valid file name
using (FileStream compressedFileStream = File.Create(filename))
{
    using (var compressionStream =
           new GZipStream(compressedFileStream, CompressionLevel.Optimal, true))
    {
        dcs.WriteObject(compressionStream, typeof(T));
        compressionStream.Close();
    }
}

Quote:

12/9/2021 11:44:19 AM quarantined Malware "Behavior.CryptoMalware" in "test blazor dec 4 2021.exe".
Cloud Host Rule modified "Block silently" for host "42.180.243.234"

Quote:

P Address: 42.180.243.234
IP Location: China, Liaoning, Liaoyang
IP Owner: Unicom Liaoning Province Network

public class Class1<Ttype> { }

public abstract class Class2 { }

public class Concrete2 : Class2 { }

public class Report { }

public class Class3 : Concrete2 
{
    public Class1<Report> report = new ();
}