Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1999 - 1999
//
// File: guidhelp.h
//
//--------------------------------------------------------------------------
#pragma once
// GUID support functions
class CStr;
class CString;
struct IContextMenuCallback;
struct IComponent;
HRESULT ExtractData( IDataObject* piDataObject,
CLIPFORMAT cfClipFormat,
BYTE* pbData,
DWORD cbData );
/*+-------------------------------------------------------------------------*
* ExtractString
*
* Gets string data representing the given clipboard format from the data
* object. StringType must be a type that can accept assignment from
* LPCTSTR (WTL::CString, CStr, tstring, etc.)
*--------------------------------------------------------------------------*/
template<class StringType>
HRESULT ExtractString( IDataObject* piDataObject,
CLIPFORMAT cfClipFormat,
StringType& str);
HRESULT GuidToCStr( CStr* pstr, const GUID& guid );
HRESULT GuidToCString(CString* pstr, const GUID& guid );
HRESULT ExtractSnapInCLSID( IDataObject* piDataObject, CLSID* pclsidSnapin );
HRESULT ExtractObjectTypeGUID( IDataObject* piDataObject, GUID* pguidObjectType );
HRESULT ExtractObjectTypeCStr( IDataObject* piDataObject, CStr* pstr );
HRESULT ExtractObjectTypeCString( IDataObject* piDataObject, CString* pstr );
HRESULT LoadRootDisplayName(IComponentData* pIComponentData, CStr& strDisplayName);
HRESULT LoadRootDisplayName(IComponentData* pIComponentData, CString& strDisplayName);
HRESULT LoadAndAddMenuItem(
IContextMenuCallback* pIContextMenuCallback,
UINT nResourceID, // contains text and status text seperated by '\n'
long lCommandID,
long lInsertionPointID,
long fFlags,
HINSTANCE hInst);
HRESULT AddMenuItem(
IContextMenuCallback* pIContextMenuCallback,
LPOLESTR pszText,
LPOLESTR pszStatusBarText,
long lCommandID,
long lInsertionPointID,
long fFlags,
HINSTANCE hInst);
HRESULT AddSpecialSeparator(
IContextMenuCallback* pIContextMenuCallback,
long lInsertionPointID = CCM_INSERTIONPOINTID_ROOT_MENU );
HRESULT AddSpecialInsertionPoint(
IContextMenuCallback* pIContextMenuCallback,
long lCommandID,
long lInsertionPointID = CCM_INSERTIONPOINTID_ROOT_MENU );
/*------------------------------------------------*/
/* declare various relational operators for GUIDs */
/*------------------------------------------------*/
#include <functional>
// template helper CLSID comparison function
// NOTE: extra parameter is added to have different decorated function name for each operator
// or else in debug version (expanded) functions will be linked as one function
template <typename comparator>
inline bool CompareCLSID (const CLSID& x, const CLSID& y, const comparator * unused = NULL )
{
return x.Data1 != y.Data1 ? comparator<unsigned long> ()(x.Data1 , y.Data1) :
x.Data2 != y.Data2 ? comparator<unsigned short>()(x.Data2 , y.Data2) :
x.Data3 != y.Data3 ? comparator<unsigned short>()(x.Data3 , y.Data3) :
comparator<int>()(memcmp(x.Data4 , y.Data4, sizeof(x.Data4)) , 0);
}
inline bool operator < (const CLSID& x, const CLSID& y)
{
return CompareCLSID<std::less>( x , y );
}
inline bool operator > (const CLSID& x, const CLSID& y)
{
return CompareCLSID<std::greater>( x , y );
}
inline bool operator <= (const CLSID& x, const CLSID& y)
{
return CompareCLSID<std::less_equal>( x , y );
}
inline bool operator >= (const CLSID& x, const CLSID& y)
{
return CompareCLSID<std::greater_equal>( x , y );
}
/*--------------------------------------------------------------*/
/* operator== and operator!= for GUIDs are defined in objbase.h */
/*--------------------------------------------------------------*/
#include "guidhelp.inl"