using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using System.Text;
using System.Threading.Tasks;

namespace Tango.Video.DirectShow
{
    [Guid("0000000b-0000-0000-C000-000000000046"),
    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    internal interface IStorage
    {
        [PreserveSig]
        int CreateStream(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsName,
            [In] STGM grfMode,
            [In] int reserved1,
            [In] int reserved2,
#if USING_NET11
			[Out] out UCOMIStream ppstm
#else
 [Out] out IStream ppstm
#endif
);

        [PreserveSig]
        int OpenStream(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsName,
            [In] IntPtr reserved1,
            [In] STGM grfMode,
            [In] int reserved2,
#if USING_NET11
			[Out] out UCOMIStream ppstm
#else
 [Out] out IStream ppstm
#endif
);

        [PreserveSig]
        int CreateStorage(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsName,
            [In] STGM grfMode,
            [In] int reserved1,
            [In] int reserved2,
            [Out] out IStorage ppstg
            );

        [PreserveSig]
        int OpenStorage(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsName,
            [In] IStorage pstgPriority,
            [In] STGM grfMode,
            [In] int snbExclude,
            [In] int reserved,
            [Out] out IStorage ppstg
            );

        [PreserveSig]
        int CopyTo(
            [In] int ciidExclude,
            [In] Guid[] rgiidExclude,
            [In] string[] snbExclude,
            [In] IStorage pstgDest
            );

        [PreserveSig]
        int MoveElementTo(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsName,
            [In] IStorage pstgDest,
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsNewName,
            [In] STGM grfFlags
            );

        [PreserveSig]
        int Commit([In] STGC grfCommitFlags);

        [PreserveSig]
        int Revert();

        [PreserveSig]
        int EnumElements(
            [In] int reserved1,
            [In] IntPtr reserved2,
            [In] int reserved3,
            [Out, MarshalAs(UnmanagedType.Interface)] out object ppenum
            );

        [PreserveSig]
        int DestroyElement([In, MarshalAs(UnmanagedType.LPWStr)] string pwcsName);

        [PreserveSig]
        int RenameElement(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsOldName,
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsNewName
            );

        [PreserveSig]
        int SetElementTimes(
            [In, MarshalAs(UnmanagedType.LPWStr)] string pwcsName,
#if USING_NET11
			[In] FILETIME pctime,
			[In] FILETIME patime,
			[In] FILETIME pmtime
#else
 [In] System.Runtime.InteropServices.ComTypes.FILETIME pctime,
 [In] System.Runtime.InteropServices.ComTypes.FILETIME patime,
 [In] System.Runtime.InteropServices.ComTypes.FILETIME pmtime
#endif
);

        [PreserveSig]
        int SetClass([In, MarshalAs(UnmanagedType.LPStruct)] Guid clsid);

        [PreserveSig]
        int SetStateBits(
            [In] int grfStateBits,
            [In] int grfMask
            );

        [PreserveSig]
        int Stat(
#if USING_NET11
			[Out] out STATSTG pStatStg, 
#else
[Out] out System.Runtime.InteropServices.ComTypes.STATSTG pStatStg,
#endif
 [In] int grfStatFlag
 );
    }
}