public HRESULT ActivateSpatialAudioMetadataReader(ISpatialAudioMetadataReader **metadataReader)
 {
     return(((delegate * unmanaged <ISpatialAudioMetadataClient *, ISpatialAudioMetadataReader **, int>)(lpVtbl[7]))((ISpatialAudioMetadataClient *)Unsafe.AsPointer(ref this), metadataReader));
 }
 public int ActivateSpatialAudioMetadataReader([NativeTypeName("ISpatialAudioMetadataReader **")] ISpatialAudioMetadataReader **metadataReader)
 {
     return(((delegate * stdcall <ISpatialAudioMetadataClient *, ISpatialAudioMetadataReader **, int>)(lpVtbl[7]))((ISpatialAudioMetadataClient *)Unsafe.AsPointer(ref this), metadataReader));
 }