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99 lines
3.5 KiB
99 lines
3.5 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1997.
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//
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// File: iprops.hxx
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//
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// Contents: Generalized property cache interfaces.
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//
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// History: 07-21-97 t-blakej Created.
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//
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//----------------------------------------------------------------------------
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#ifndef __IPROPERTYCACHE_HXX__
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#define __IPROPERTYCACHE_HXX__
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//
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// This is an "interface" that encapsulates the methods of an ADSI
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// property cache that need to be called from the dispatch manager.
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// This is *not* a COM interface, just a regular C++ struct with all
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// fully virtual methods.
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//
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struct IPropertyCache {
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//
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// Find a property by name in the property cache.
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//
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// If the property doesn't exist in the cache, the cache should make
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// sure the property exists for this object and add a "blank" entry for
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// this property. "pdwIndex" should be set to an integer (such as an
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// array index) which can easily identify this property. If this
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// property doesn't exist for this object (i.e. not in the schema for
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// this object), this should return an error.
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//
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// Note that the returned index is used to generate a Automation
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// DISPID, and its value is cached by VB. So if a property is added to
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// the cache, it should not be erased or moved (e.g. have its index
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// changed) for the lifetime of the object. Also, due to limitations
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// of the dispatch manager, the index must be less than 65536.
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//
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virtual HRESULT
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IPropertyCache::locateproperty(
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LPWSTR szPropertyName,
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PDWORD pdwIndex
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) = 0;
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//
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// Get the value of a property from the property cache.
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//
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// If there is no data in the property cache, the cache should read the
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// object's data in from the server, and cache all unmodified
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// properties. If this property has no data on the server, this should
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// return E_ADS_PROPERTY_NOT_FOUND. If the passed-in index (which is
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// the same index as returned from locateproperty()) is invalid, this
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// should return DISP_E_MEMBERNOTFOUND.
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//
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virtual HRESULT
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IPropertyCache::getproperty(
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DWORD dwIndex,
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VARIANT *pVarResult,
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CCredentials &Credentials
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) = 0;
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//
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// Set the value of a property into the property cache.
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//
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// If the passed-in VARIANT is of the wrong type for this property,
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// this should return E_ADS_CANT_CONVERT_DATATYPE. If the passed-in
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// index (which is the same index as returned from locateproperty()) is
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// invalid, this should return DISP_E_MEMBERNOTFOUND.
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//
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virtual HRESULT
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IPropertyCache::putproperty(
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DWORD dwIndex,
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VARIANT varValue
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) = 0;
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};
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//
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// This is an "interface" that encapsulates the methods of an ADSI object
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// that need to be called from the property cache. This is *not* a COM
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// interface, just a regular C++ struct with all fully virtual methods.
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//
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// This should be implemented by any object that contains a property cache;
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// the IGetAttributeSyntax interface pointer of the container is passed to
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// the createpropertycache() function.
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//
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struct IGetAttributeSyntax {
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virtual HRESULT
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GetAttributeSyntax(
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LPWSTR szPropertyName,
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PDWORD pdwSyntaxID
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) = 0;
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};
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#define DECLARE_IGetAttributeSyntax_METHODS \
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virtual HRESULT \
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GetAttributeSyntax(LPWSTR szPropertyName, PDWORD pdwSyntaxID);
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#endif // __IPROPERTYCACHE_HXX__
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