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149 lines
4.2 KiB
149 lines
4.2 KiB
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright(C) 1998-1999 Microsoft Corporation all rights reserved.
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//
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// Module: getvalue.cpp
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//
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// Project: Chameleon
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//
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// Description: Get/Set a property value from a specified object
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//
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// Log:
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//
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// When Who What
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// ---- --- ----
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// 05/06/1999 TLP Initial Version
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include <getvalue.h>
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#include <propertybagfactory.h>
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#include <satrace.h>
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//////////////////////////////////////////////////////////////////////////////
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//
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// Function: GetValue()
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//
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// Synopsis: Get a value from the specified object
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//
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//////////////////////////////////////////////////////////////////////////////
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bool
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GetObjectValue(
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/*[in]*/ LPCWSTR pszObjectPath,
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/*[in]*/ LPCWSTR pszValueName,
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/*[in]*/ VARIANT* pValue,
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/*[in]*/ UINT uExpectedType
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)
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{
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bool bReturn = false;
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try
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{
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do
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{
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CLocationInfo LocInfo(HKEY_LOCAL_MACHINE, pszObjectPath);
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PPROPERTYBAG pBag = ::MakePropertyBag(
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PROPERTY_BAG_REGISTRY,
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LocInfo
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);
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if ( ! pBag.IsValid() )
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{
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SATraceString("GetValue() - Could not locate registry key");
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break;
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}
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if ( ! pBag->open() )
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{
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SATraceString("GetValue() - Could not open registry key");
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break;
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}
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if ( ! pBag->get(pszValueName, pValue) )
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{
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SATracePrintf("GetValue() - Could not get value '%ls'", pszValueName);
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break;
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}
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else
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{
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if ( uExpectedType != V_VT(pValue) )
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{
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SATracePrintf("GetValue() - Unexpected value data type for '%ls', pszValueName");
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break;
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}
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else
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{
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bReturn = true;
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}
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}
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} while ( FALSE );
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}
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catch(...)
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{
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SATraceString("GetValue() - Caught unhandled exception");
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}
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return bReturn;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// Function: SetObjectValue()
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//
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// Synopsis: Set a value in a specified object
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//
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//////////////////////////////////////////////////////////////////////////////
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bool
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SetObjectValue(
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/*[in]*/ LPCWSTR pszObjectPath,
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/*[in]*/ LPCWSTR pszValueName,
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/*[in]*/ VARIANT* pValue
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)
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{
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bool bReturn = false;
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try
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{
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do
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{
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CLocationInfo LocInfo(HKEY_LOCAL_MACHINE, pszObjectPath);
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PPROPERTYBAG pBag = ::MakePropertyBag(
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PROPERTY_BAG_REGISTRY,
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LocInfo
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);
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if ( ! pBag.IsValid() )
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{
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SATraceString("SetValue() - Could not locate registry key");
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break;
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}
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if ( ! pBag->open() )
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{
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SATraceString("SetValue() - Could not open registry key");
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break;
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}
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if ( ! pBag->put(pszValueName, pValue) )
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{
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SATracePrintf("SetValue() - Could not set value '%ls'", pszValueName);
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break;
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}
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if ( ! pBag->save ())
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{
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SATracePrintf("SetValue() - Could not save value '%ls'", pszValueName);
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break;
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}
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//
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// success
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//
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bReturn = true;
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} while ( FALSE );
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}
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catch(...)
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{
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SATraceString("SetValue() - Caught unhandled exception");
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}
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return bReturn;
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}
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