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