C# Definition:

[ComImport, Guid ( "44BEAAEC-24F4-4E90-B3F0-23D258FBB146" ), InterfaceType ( ComInterfaceType.InterfaceIsIUnknown )]
interface IKnownFolderManager
{
    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void FolderIdFromCsidl ( [In] int nCsidl, out Guid pfid );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void FolderIdToCsidl ( [In] ref Guid rfid, out int pnCsidl );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void GetFolderIds ( [Out] IntPtr ppKFId, [In, Out] ref uint pCount );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void GetFolder ( [In] ref Guid rfid, [MarshalAs ( UnmanagedType.Interface )] out IKnownFolder ppkf );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void GetFolderByName ( [In, MarshalAs ( UnmanagedType.LPWStr )] string pszCanonicalName,
                   [MarshalAs ( UnmanagedType.Interface )] out IKnownFolder ppkf );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void RegisterFolder ( [In] ref Guid rfid, [In] ref NativeMethods.KNOWNFOLDER_DEFINITION pKFD );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void UnregisterFolder ( [In] ref Guid rfid );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void FindFolderFromPath ( [In, MarshalAs ( UnmanagedType.LPWStr )] string pszPath,
                  [In] NativeMethods.FFFP_MODE mode,
                  [MarshalAs ( UnmanagedType.Interface )] out IKnownFolder ppkf );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void FindFolderFromIDList ( [In] IntPtr pidl, [MarshalAs ( UnmanagedType.Interface )] out IKnownFolder ppkf );

    [MethodImpl ( MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime )]
    void Redirect ( [In] ref Guid rfid, [In] IntPtr hwnd, [In] uint Flags,
            [In, MarshalAs ( UnmanagedType.LPWStr )] string pszTargetPath, [In] uint cFolders,
            [In] ref Guid pExclusion, [MarshalAs ( UnmanagedType.LPWStr )] out string ppszError );
}

VB Definition:

<ComImport> _
<Guid("TODO")> _
'TODO: Insert <InterfaceType(ComInterfaceType.InterfaceIsIUnknown)> _ if this doesn't derive from IDispatch
Interface IKnownFolderManager
   TODO
End Interface

User-Defined Types:

None.

Notes:

None.

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