net11.0-windows7.0 
namespace System.Collections
{
    public abstract class CollectionBase : ICollection, IEnumerable, IList
    {
        public int Count { get; }
    }
}
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.NET
5.06.07.08.09.010.011.0
.NET Core
1.01.12.02.12.23.03.1
.NET Framework
1.01.12.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
1.31.41.51.62.02.1
Information specific to net11.0
Platforms This API is only available when you target a specific platform:
Windows
7.0
Information specific to net11.0-windows7.0
Assemblies

System.Collections.NonGeneric , Version=4.1.1.0, PublicKeyToken=b03f5f7f11d50a3a

System.Collections.NonGeneric , Version=4.0.1.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Requires any:

  • Your project needs a package reference to Microsoft.AspNetCore.App.

  • Your project needs a package reference to System.Collections.NonGeneric.

Package Microsoft.AspNetCore.App (3.0.0-preview3-19153-02) netcoreapp3.0
Platform Restrictions

The property getter is supported on all platforms.

  • Built-in API
  • Package-provided API