using System; using System.Runtime.InteropServices; namespace Standard; [Guid("886d8eeb-8cf2-4446-8d02-cdba1dbdcf99")] [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)] [ComImport] internal interface IPropertyStore { uint GetCount(); PKEY GetAt(uint iProp); void GetValue([In] ref PKEY pkey, [In][Out] PROPVARIANT pv); void SetValue([In] ref PKEY pkey, PROPVARIANT pv); void Commit(); }