//+---------------------------------------------------------------------------
//
//    Microsoft Windows
//    Copyright (C) Microsoft Corporation, 2000
//
//    File: vdscmprv.idl
//
//    Abstract:
//        declarations of interfaces that are exposed by the common layer to
//        providers.
//
//----------------------------------------------------------------------------

interface IVdsAdmin;

#define MAX_COMPUTERNAME_LENGTH         15
#define MAX_PROVIDERNAME_LENGTH         200
#define MAX_VERSIONSTRING_LENGTH        16


//
// IVdsAdmin:
//   This interface is used by providers to register themselves. Provider
//   information is stored in registry under
//   \HKEY_LOCAL_MACHINE\SYSTEM\CurrentContrlSet\Services\VDS\SoftwareProviders
//   or
//   \HKEY_LOCAL_MACHINE\SYSTEM\CurrentContrlSet\Services\VDS\HardwareProviders
//   When VDS service starts up, it looks through the registry and launch
//   registered providers.
// Implemented by: service object
// Implemented where: common layer
// Accessed by: provider setup
//
[
    object,
    uuid(d188e97d-85aa-4d33-abc6-26299a10ffc1),
    pointer_default(unique)
]

interface IVdsAdmin : IUnknown
{
    // RegisterProvider:
    [helpstring("method RegisterProvider")]
    HRESULT RegisterProvider(
                [in] VDS_OBJECT_ID      providerId,
                [in] CLSID              providerClsid,
                [in,max_is(MAX_PROVIDERNAME_LENGTH),string]
                     LPWSTR             pwszName,
                [in] VDS_PROVIDER_TYPE  type,
                [in,unique,max_is(MAX_COMPUTERNAME_LENGTH-1),string,disable_consistency_check]
                     LPWSTR             pwszMachineName,
                [in,max_is(MAX_VERSIONSTRING_LENGTH),string]
                     LPWSTR             pwszVersion,
                [in] GUID               guidVersionId
            );


    // UnregisterProvider:
    //   Removes provider information from registry.
    [helpstring("method UnregisterProvider")]
    HRESULT UnregisterProvider(
                [in] VDS_OBJECT_ID      providerId
            );
}