Leaked source code of windows server 2003
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/*****************************************************************************\
FILE: AutoDiscoveryUI.h
DESCRIPTION: This is AutoDiscovery progress UI for the Outlook Express's email configuration wizard.
BryanSt 1/18/2000 Copyright (C) Microsoft Corp 2000-2000. All rights reserved.\*****************************************************************************/
#ifndef FILE_AUTODISCOVERY_H
#define FILE_AUTODISCOVERY_H
// IID_PPV_ARG(IType, ppType)
// IType is the type of pType
// ppType is the variable of type IType that will be filled
//
// RESULTS in: IID_IType, ppvType
// will create a compiler error if wrong level of indirection is used.
//
// macro for QueryInterface and related functions
// that require a IID and a (void **)
// this will insure that the cast is safe and appropriate on C++
//
// IID_PPV_ARG_NULL(IType, ppType)
//
// Just like IID_PPV_ARG, except that it sticks a NULL between the
// IID and PPV (for IShellFolder::GetUIObjectOf).
//
// IID_X_PPV_ARG(IType, X, ppType)
//
// Just like IID_PPV_ARG, except that it sticks X between the
// IID and PPV (for SHBindToObject).
#ifdef __cplusplus
#define IID_PPV_ARG(IType, ppType) IID_##IType, reinterpret_cast<void**>(static_cast<IType**>(ppType))
#define IID_X_PPV_ARG(IType, X, ppType) IID_##IType, X, reinterpret_cast<void**>(static_cast<IType**>(ppType))
#else
#define IID_PPV_ARG(IType, ppType) &IID_##IType, (void**)(ppType)
#define IID_X_PPV_ARG(IType, X, ppType) &IID_##IType, X, (void**)(ppType)
#endif
#define IID_PPV_ARG_NULL(IType, ppType) IID_X_PPV_ARG(IType, NULL, ppType)
#endif // FILE_AUTODISCOVERY_H
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