72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
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//==============================================================;
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//
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// This source code is only intended as a supplement to existing Microsoft documentation.
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//
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//
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//
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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//
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//
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//
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//==============================================================;
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#ifndef _CContextMenuExtension_H_
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#define _CContextMenuExtension_H_
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#include <tchar.h>
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#include <mmc.h>
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class CContextMenuExtension : public IExtendContextMenu
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{
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private:
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ULONG m_cref;
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HRESULT ExtractObjectTypeGUID( IDataObject* piDataObject, GUID* pguidObjectType );
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HRESULT ExtractSnapInCLSID( IDataObject* piDataObject, CLSID* pclsidSnapin );
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HRESULT ExtractString( IDataObject *piDataObject,
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CLIPFORMAT cfClipFormat,
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WCHAR *pstr,
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DWORD cchMaxLength);
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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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// clipboard format
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static UINT s_cfDisplayName;
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static UINT s_cfSnapInCLSID;
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static UINT s_cfNodeType;
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public:
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CContextMenuExtension();
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~CContextMenuExtension();
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///////////////////////////////
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// Interface IUnknown
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///////////////////////////////
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STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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///////////////////////////////
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// Interface IExtendContextMenu
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///////////////////////////////
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virtual /* [helpstring] */ HRESULT STDMETHODCALLTYPE AddMenuItems(
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/* [in] */ LPDATAOBJECT piDataObject,
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/* [in] */ LPCONTEXTMENUCALLBACK piCallback,
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/* [out][in] */ long __RPC_FAR *pInsertionAllowed);
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virtual /* [helpstring] */ HRESULT STDMETHODCALLTYPE Command(
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/* [in] */ long lCommandID,
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/* [in] */ LPDATAOBJECT piDataObject);
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};
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#endif _CContextMenuExtension_H_
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