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383 lines
10 KiB
383 lines
10 KiB
#include "pch.h" // PCH
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#pragma hdrstop
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#define INITGUIDS
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#include "dskquota.h"
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#include <gpedit.h> // Pick up IID_IGPEInformation
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#include <shfusion.h>
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#include "guidsp.h" // Private GUIDs.
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#include "factory.h" // Class factory declarations.
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#include "registry.h"
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//
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// Verify that build is UNICODE.
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//
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#if !defined(UNICODE)
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# error This module must be compiled UNICODE.
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#endif
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HINSTANCE g_hInstDll = NULL; // DLL instance handle.
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LONG g_cRefThisDll = 0; // DLL reference count.
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LONG g_cLockThisDll = 0; // DLL lock count.
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///////////////////////////////////////////////////////////////////////////////
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/* Function: DllGetClassObject
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Description: Creates instance of DiskQuotaControlClassFactory.
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Arguments:
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rclsid - Reference to class ID that identifies the type of object that the
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class factory will be asked to create.
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riid - Reference to interface ID on the class factory object.
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ppvOut - Destination location for class factory object pointer after
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instantiation.
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Returns:
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NOERROR - Success.
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E_OUTOFMEMORY - Can't create class factory object.
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E_NOINTERFACE - Interface not supported.
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E_INVALIDARG - ppvOut arg is NULL.
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CLASS_E_CLASSNOTAVAILABLE - Class factory not available.
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Revision History:
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Date Description Programmer
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-------- --------------------------------------------------- ----------
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05/22/96 Initial creation. BrianAu
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*/
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///////////////////////////////////////////////////////////////////////////////
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STDAPI
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DllGetClassObject(
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REFCLSID rclsid,
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REFIID riid,
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LPVOID *ppvOut
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)
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{
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DBGTRACE((DM_COM, DL_HIGH, TEXT("DllGetClassObject")));
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HRESULT hResult = CLASS_E_CLASSNOTAVAILABLE;
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if (NULL == ppvOut)
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return E_INVALIDARG;
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*ppvOut = NULL;
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try
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{
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if (IsEqualIID(rclsid, CLSID_DiskQuotaUI))
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{
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DiskQuotaUIClassFactory *pClassFactory = NULL;
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pClassFactory = new DiskQuotaUIClassFactory;
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hResult = pClassFactory->QueryInterface(riid, ppvOut);
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if (FAILED(hResult))
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{
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delete pClassFactory;
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}
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}
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}
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catch(CAllocException& e)
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{
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hResult = E_OUTOFMEMORY;
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}
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return hResult;
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}
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///////////////////////////////////////////////////////////////////////////////
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/* Function: DllCanUnloadNow
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Description: Called by OLE to determine if DLL can be unloaded.
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Arguments: None.
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Returns:
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S_FALSE - Can't unload. Ref count or lock count are > 0.
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S_OK - OK to unload. Ref count and lock count are 0.
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Revision History:
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Date Description Programmer
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-------- --------------------------------------------------- ----------
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05/22/96 Initial creation. BrianAu
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*/
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///////////////////////////////////////////////////////////////////////////////
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STDAPI
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DllCanUnloadNow(
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VOID
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)
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{
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DBGPRINT((DM_COM, DL_HIGH, TEXT("DllCanUnloadNow (dskquoui.dll) RefCnt = %d LockCnt = %d"),
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g_cRefThisDll, g_cLockThisDll));
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#ifdef DEBUG_PROCESS_DETACH
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//
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// This code will force the DLL to be unloaded so that we can
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// test OnProcessDetach(). Otherwise, OLE will wait 10 minutes
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// after DllCanUnloadNow returns S_OK to call FreeLibrary.
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// Note however that the process will AV when OLE finally gets
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// around to freeing the library. Therefore, we don't leave
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// this code active in free or check builds; only private debug
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// builds. Must explicitly define DEBUG_PROCESS_DETACH.
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//
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if (0 == g_cRefThisDll && 0 == g_cLockThisDll)
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{
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HINSTANCE hMod;
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static INT iExeThisPath = 0;
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if (0 == iExeThisPath++)
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{
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hMod = LoadLibrary(TEXT("dskquota.dll"));
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if (NULL != hMod)
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{
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Assert(g_hInstDll == hMod);
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FreeLibrary(hMod);
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FreeLibrary(hMod);
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}
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}
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}
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#endif // DEBUG_PROCESS_DETACH
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return (0 == g_cRefThisDll && 0 == g_cLockThisDll) ? S_OK : S_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////////
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/* Function: DllRegisterServer
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Description: Create the necessary registry entries for dskquoui.dll
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to operate properly. This is typically called by REGSVR32.EXE.
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Arguments: None.
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Returns:
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S_OK - Succeeded.
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SELFREG_E_CLASS - Failed to create one of the registry entries.
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Revision History:
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Date Description Programmer
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-------- --------------------------------------------------- ----------
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08/18/97 Initial creation. BrianAu
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*/
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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DllRegisterServer(
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VOID
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)
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{
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HRESULT hResult = CallRegInstall(g_hInstDll, "RegDll");
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if (FAILED(hResult))
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{
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hResult = SELFREG_E_CLASS;
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}
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return hResult;
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}
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///////////////////////////////////////////////////////////////////////////////
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/* Function: DllUnregisterServer
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Description: Remove the necessary registry entries for dskquoui.dll.
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This is typically called by REGSVR32.EXE.
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Arguments: None.
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Returns:
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S_OK - Succeeded.
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SELFREG_E_CLASS - Failed to remove the CLSID entry.
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Revision History:
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Date Description Programmer
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-------- --------------------------------------------------- ----------
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08/18/97 Initial creation. BrianAu
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*/
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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DllUnregisterServer(
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VOID
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)
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{
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HRESULT hResult = CallRegInstall(g_hInstDll, "UnregDll");
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if (FAILED(hResult))
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{
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hResult = SELFREG_E_CLASS;
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}
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return hResult;
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}
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///////////////////////////////////////////////////////////////////////////////
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/* Function: OnProcessAttach
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Description: Handles all tasks associated with a process attaching to
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the DLL.
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Try to keep processing time to a minimum.
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Arguments:
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hInstDll - The DLL instance handle passed to DllMain.
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Returns:
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NO_ERROR - Success.
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E_FAIL - Something failed.
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Revision History:
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Date Description Programmer
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-------- --------------------------------------------------- ----------
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08/09/96 Initial creation. BrianAu
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*/
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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OnProcessAttach(
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HINSTANCE hInstDll
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)
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{
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HRESULT hResult = NOERROR;
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//
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// Be specific - you want to use this dll's manifest (in resources at ID 1.)
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//
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SHFusionInitializeFromModuleID(hInstDll, 1);
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//
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// Start IceCAP profiling.
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//
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ICAP_START_ALL;
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#if DBG
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DBGMODULE(TEXT("DSKQUOUI")); // Name of module displayed with messages.
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RegKey key(HKEY_CURRENT_USER, REGSTR_KEY_DISKQUOTA);
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if (SUCCEEDED(key.Open(KEY_READ)))
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{
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DebugRegParams dp;
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if (SUCCEEDED(key.GetValue(REGSTR_VAL_DEBUGPARAMS, (LPBYTE)&dp, sizeof(dp))))
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{
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DBGPRINTMASK(dp.PrintMask);
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DBGPRINTLEVEL(dp.PrintLevel);
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DBGPRINTVERBOSE(dp.PrintVerbose);
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DBGTRACEMASK(dp.TraceMask);
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DBGTRACELEVEL(dp.TraceLevel);
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DBGTRACEVERBOSE(dp.TraceVerbose);
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DBGTRACEONEXIT(dp.TraceOnExit);
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}
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}
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#endif // DBG
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g_hInstDll = hInstDll;
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DisableThreadLibraryCalls(hInstDll);
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return hResult;
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}
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///////////////////////////////////////////////////////////////////////////////
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/* Function: OnProcessDetach
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Description: Handles all tasks associated with a process detaching from
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the DLL.
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Arguments: None.
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Returns:
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NO_ERROR - Success.
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E_FAIL - Something failed.
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Revision History:
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Date Description Programmer
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-------- --------------------------------------------------- ----------
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08/09/96 Initial creation. BrianAu
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*/
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///////////////////////////////////////////////////////////////////////////////
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HRESULT
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OnProcessDetach(
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VOID
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)
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{
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HRESULT hResult = NO_ERROR;
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SHFusionUninitialize();
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#ifdef DEBUG_PROCESS_DETACH
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LoadLibrary(TEXT("dskquoui.dll"));
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#endif
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//
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// Stop IceCAP profiling.
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//
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ICAP_STOP_ALL;
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return hResult;
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}
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///////////////////////////////////////////////////////////////////////////////
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/* Function: DllMain
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Description: Main entry point for OLE component server.
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Arguments:
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hInstDll - Instance handle of DLL
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fdwReason - Reason DllMain is being called. Can be at Process attach/
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detach or Thread attach/detach.
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lpdwReserved - Reserved.
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Returns:
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TRUE - Successful initialization.
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FALSE - Failed initialization.
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Revision History:
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Date Description Programmer
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-------- --------------------------------------------------- ----------
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05/22/96 Initial creation. BrianAu
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08/09/96 Moved code associated with process attach and BrianAu
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detach out to separate functions.
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*/
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///////////////////////////////////////////////////////////////////////////////
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BOOL WINAPI
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DllMain(
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HINSTANCE hInstDll,
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DWORD fdwReason,
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LPVOID lpvReserved
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)
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{
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BOOL bResult = FALSE;
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switch(fdwReason)
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{
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case DLL_PROCESS_ATTACH:
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DBGPRINT((DM_COM, DL_HIGH, TEXT("DSKQUOUI - DLL_PROCESS_ATTACH")));
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bResult = SUCCEEDED(OnProcessAttach(hInstDll));
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break;
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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bResult = TRUE;
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break;
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case DLL_PROCESS_DETACH:
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DBGPRINT((DM_COM, DL_HIGH, TEXT("DSKQUOUI - DLL_PROCESS_DETACH")));
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bResult = SUCCEEDED(OnProcessDetach());
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break;
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}
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return bResult;
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}
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