.NET API Catalog

Lock
- Scope
- Lock()
- IsHeldByCurrentThread
- Acquire()
- Enter()
- EnterScope()
- Exit()
- Release()
- TryEnter()
- TryEnter(Int32)
- TryEnter(TimeSpan)

net9.0
    namespace System.Threading
{
    [RequiresPreviewFeatures]
    public sealed class Lock
    {
        public bool TryEnter(TimeSpan timeout);
    }
}

Information specific to `net9.0`
Design Reviews	dotnet/runtime#34812 3 months ago (Approved) dotnet/runtime#34812 8 months ago (Approved) dotnet/runtime#34812 one year ago (Approved) dotnet/runtime#34812 one year ago (Approved)
.NET	9.0
Assembly	System.Runtime , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a
Referencing	The API is automatically referenced.
Preview	The API requires turning on platform preview features.(more details)
Platform Restrictions	This API is supported on all platforms.

Built-in API
Package-provided API