typedef struct _REG_UNICODE_STRING {
    unsigned short Length;
    unsigned short MaximumLength;
    [size_is(MaximumLength / 2), length_is((Length) / 2) ] 
        unsigned short* Buffer;
} REG_UNICODE_STRING,
 *PREG_UNICODE_STRING;
 
[
uuid(894de0c0-0d55-11d3-a322-00c04fa321a1),
    pointer_default( unique ),
version(1.0)
]
interface InitShutdown
//
// Interface body
//
{
 
//
// Server name, binding handles.
//
typedef [handle] wchar_t* PREGISTRY_SERVER_NAME;
 
//
// Shutdown APIs.
//
 
unsigned long
BaseInitiateShutdown(
    [ in, unique ] PREGISTRY_SERVER_NAME ServerName,
    [ in, unique ] PREG_UNICODE_STRING lpMessage,
    [ in ] unsigned long dwTimeout,
    [ in ] unsigned char bForceAppsClosed,
    [ in ] unsigned char bRebootAfterShutdown
    );
 
unsigned long
BaseAbortShutdown(
    [ in, unique ] PREGISTRY_SERVER_NAME ServerName
    );
 
unsigned long
BaseInitiateShutdownEx(
    [ in, unique ] PREGISTRY_SERVER_NAME ServerName,
    [ in, unique ] PREG_UNICODE_STRING lpMessage,
    [ in ] unsigned long dwTimeout,
    [ in ] unsigned char bForceAppsClosed,
    [ in ] unsigned char bRebootAfterShutdown,
    [ in ] unsigned long dwReason
    );                      
};
typedef struct _REG_UNICODE_STRING {
    unsigned short Length;
    unsigned short MaximumLength;
    [size_is(MaximumLength / 2), length_is((Length) / 2) ] unsigned short* Buffer;
}REG_UNICODE_STRING, *PREG_UNICODE_STRING;
[
uuid(d95afe70-a6d5-4259-822e-2c84da1ddb0d),
    pointer_default( unique ),
version(1.0)
]
interface WindowsShutdown
{
unsigned long
WsdrInitiateShutdown(
    [ in ] handle_t Binding,
    [ in, unique ] PREG_UNICODE_STRING lpMessage,
    [ in ] unsigned long dwGracePeriod,
    [ in ] unsigned long dwShudownFlags,
    [ in ] unsigned long dwReason,
    [ in, unique ] PREG_UNICODE_STRING lpClientHint
    );
 
unsigned long
WsdrAbortShutdown(
    [ in ] handle_t Binding,
    [ in, unique ] PREG_UNICODE_STRING lpClientHint
    );
};

typedef struct _REG_UNICODE_STRING {
    unsigned short Length;
    unsigned short MaximumLength;
    [size_is(MaximumLength / 2), length_is((Length) / 2) ] 
        unsigned short* Buffer;
} REG_UNICODE_STRING,
 *PREG_UNICODE_STRING;
 
[
    uuid( 338CD001-2244-31F1-AAAA-900038001003 ),
    pointer_default( unique ),
    version( 1.0 )
]
interface winreg
{
    typedef [handle] wchar_t* PREGISTRY_SERVER_NAME;
 
    //
    // Windows Remote Registry Server APIs.
    //
 
    //opcode 0
    void Opnum0NotImplemented();
 
    //opcode 1
    void Opnum1NotImplemented();
 
    //opcode 2
    void Opnum2NotImplemented();
 
    //opcode 3
    void Opnum3NotImplemented();
 
    //opcode 4
    void Opnum4NotImplemented();
 
    //opcode 5
    void Opnum5NotImplemented();
 
    //opcode 6
    void Opnum6NotImplemented();
 
    //opcode 7
    void Opnum7NotImplemented();
 
    //opcode 8
    void Opnum8NotImplemented();
 
    //opcode 9
    void Opnum9NotImplemented();
 
    //opcode 10
    void Opnum10NotImplemented();
 
    //opcode 11
    void Opnum11NotImplemented();
 
    //opcode 12
    void Opnum12NotImplemented();
 
    //opcode 13
    void Opnum13NotImplemented();
 
    //opcode 14
    void Opnum14NotImplemented();
 
    //opcode 15
    void Opnum15NotImplemented();
 
    //opcode 16
    void Opnum16NotImplemented();
 
    //opcode 17
    void Opnum17NotImplemented();
 
    //opcode 18
    void Opnum18NotImplemented();
 
    //opcode 19
    void Opnum19NotImplemented();
 
    //opcode 20
    void Opnum20NotImplemented();
 
    //opcode 21
    void Opnum21NotImplemented();
 
    //opcode 22
    void Opnum22NotImplemented();
 
    //opcode 23
    void Opnum23NotImplemented();
 
    //opcode 24
    unsigned long BaseInitiateSystemShutdown(
          [in, unique] PREGISTRY_SERVER_NAME ServerName,
          [in, unique] PREG_UNICODE_STRING lpMessage,
          [in] unsigned long dwTimeout,
          [in] unsigned char bForceAppsClosed,
          [in] unsigned char bRebootAfterShutdown
    );
 
    //opcode 25
    unsigned long BaseAbortSystemShutdown(
          [in, unique] PREGISTRY_SERVER_NAME ServerName
    );
 
    //opcode 26
    void Opnum26NotImplemented();
 
    //opcode 27
    void Opnum27NotImplemented();
 
    //opcode 28
    void Opnum28NotImplemented();
 
    //opcode 29
    void Opnum29NotImplemented();
 
    //opcode 30
    unsigned long BaseInitiateSystemShutdownEx(
          [in, unique] PREGISTRY_SERVER_NAME ServerName,
          [in, unique] PREG_UNICODE_STRING lpMessage,
          [in] unsigned long dwTimeout,
          [in] unsigned char bForceAppsClosed,
          [in] unsigned char bRebootAfterShutdown,
          [in] unsigned long dwReason
    );                      
};