using System; using System.Runtime.InteropServices; namespace NAudio.Wasapi.CoreAudioApi.Interfaces { [ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("41D949AB-9862-444A-80F6-C261334DA5EB")] public interface IActivateAudioInterfaceCompletionHandler { //virtual HRESULT STDMETHODCALLTYPE ActivateCompleted(/*[in]*/ _In_ // IActivateAudioInterfaceAsyncOperation *activateOperation) = 0; void ActivateCompleted(IActivateAudioInterfaceAsyncOperation activateOperation); } }