net10.0 
namespace System.IO
{
    public class FileStream : Stream
    {
        [UnsupportedOSPlatform("freebsd")]
        [UnsupportedOSPlatform("ios")]
        [UnsupportedOSPlatform("macos")]
        [UnsupportedOSPlatform("tvos")]
        public virtual void Lock(long position, long length);
    }
}
nuget.org
0.1 %
Reference this API
.NET
5.06.07.08.09.010.0
.NET Core
3.03.1
.NET Framework
2.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to net10.0
Assembly

System.Runtime , Version=10.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

The API is automatically referenced.

Platform Restrictions

This API is supported on any platform except for these:

  • FreeBSD
  • iOS
  • Mac Catalyst
  • macOS
  • tvOS
  • Built-in API
  • Package-provided API