net9.0-windows10.0.22621 
namespace Microsoft.UI.Composition
{
    [ContractVersion(typeof(WindowsAppSDKContract), 65536U)]
    [ProjectedRuntimeClass(typeof(ICompositionAnimation))]
    [WindowsRuntimeHelperType(typeof(CompositionAnimation))]
    [WindowsRuntimeType("Microsoft.UI")]
    public class CompositionAnimation : CompositionObject, ICompositionAnimationBase, IEquatable<CompositionAnimation>, ICustomQueryInterface, IDynamicInterfaceCastable, IWinRTObject
    {
        public bool Equals(CompositionAnimation other);
    }
}
.NET 6.07.08.09.0
Information specific to net9.0
Platforms This API is only available when you target a specific platform:
Windows 10.0.1776310.0.1836210.0.1904110.0.2034810.0.2200010.0.22621
Information specific to net9.0-windows10.0.22621
Assemblies

Microsoft.InteractiveExperiences.Projection , Version=10.0.0.0, PublicKeyToken=31bf3856ad364e35

Microsoft.InteractiveExperiences.Projection , Version=10.0.0.0, PublicKeyToken=31bf3856ad364e35

Referencing

Your project needs a package reference to Microsoft.WindowsAppSDK.

Package Microsoft.WindowsAppSDK (1.6.250228001) net6.0-windows10.0.18362
Platform Restrictions

This API is only supported on the following platforms:

  • Windows
  • Built-in API
  • Package-provided API