AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.4.0" />

 FileEntry

public sealed class FileEntry
Represents a file captured in the FileList.
public byte[] Body { get; }

Gets the body / content of the captured file.

public string FileName { get; }

Gets the file name for the captured file.

public string Type { get; }

Gets the mime-type for the captured file.