netcoreapp3.0 
namespace System.IO.Packaging
{
    public class EncryptedPackageEnvelope : IDisposable
    {
        public static EncryptedPackageEnvelope Open(string envelopeFileName, FileAccess access);
    }
}
.NET
5.06.07.08.09.0
.NET Core
3.03.1
.NET Framework
3.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to netcoreapp3.0
Assembly

WindowsBase , Version=4.0.0.0, PublicKeyToken=31bf3856ad364e35

Referencing

Requires all:

  • You need to build and run on Windows.

  • Your project needs to set <UseWPF>True</UseWPF>.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API