165 lines
3.3 KiB
C++
165 lines
3.3 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1998 - 2001
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//
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// File : utils.cpp
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//
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// Contents : Common utilities required by helper.
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//
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// Notes :
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//
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// Author : Raghu Gatta (rgatta) 11 May 2001
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//
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//----------------------------------------------------------------------------
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#include "precomp.h"
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#pragma hdrstop
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BOOL g_fInitCom = TRUE;
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HRESULT
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HrInitializeHomenetConfig(
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BOOL* pfInitCom,
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IHNetCfgMgr** pphnc
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)
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/*++
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Routine Description
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Cocreate and initialize the root IHNetCfgMgr object. This will
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optionally initialize COM for the caller too.
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Arguments
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pfInitCom [in,out] TRUE to call CoInitialize before creating.
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returns TRUE if COM was successfully
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initialized FALSE if not.
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If NULL, means don't initialize COM.
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pphnc [out] The returned IHNetCfgMgr object.
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Return Value
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S_OK or an error code.
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--*/
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{
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HRESULT hr;
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//
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// Initialize the output parameter.
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//
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*pphnc = NULL;
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//
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// Initialize COM if the caller requested.
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//
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hr = S_OK;
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if (pfInitCom && *pfInitCom)
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{
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hr = CoInitializeEx(
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NULL,
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COINIT_DISABLE_OLE1DDE | COINIT_APARTMENTTHREADED
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);
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if (RPC_E_CHANGED_MODE == hr)
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{
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//
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// we have already been initialized in a different model
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//
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hr = S_OK;
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*pfInitCom = FALSE;
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}
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}
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if (SUCCEEDED(hr))
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{
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//
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// Create Homenet Configuration Manager COM Instance
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//
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hr = CoCreateInstance(
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CLSID_HNetCfgMgr,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_PPV_ARG(IHNetCfgMgr, pphnc)
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);
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if (SUCCEEDED(hr))
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{
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//
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// great! dont need to anything more here...
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//
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}
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//
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// If we failed anything above, and we've initialized COM,
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// be sure an uninitialize it.
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//
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if (FAILED(hr) && pfInitCom && *pfInitCom)
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{
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CoUninitialize();
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}
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}
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrUninitializeHomenetConfig
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//
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// Purpose: Unintialize and release an IHNetCfgMgr object. This will
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// optionally uninitialize COM for the caller too.
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//
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// Arguments:
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// fUninitCom [in] TRUE to uninitialize COM after the IHNetCfgMgr is
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// uninitialized and released.
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// phnc [in] The IHNetCfgMgr object.
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//
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// Returns: S_OK or an error code.
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//
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// Author: rgatta 11 May 2001
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//
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//----------------------------------------------------------------------------
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HRESULT
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HrUninitializeHomenetConfig(
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BOOL fUninitCom,
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IHNetCfgMgr* phnc
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)
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/*++
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Routine Description
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Arguments
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Return Value
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--*/
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{
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assert(phnc);
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HRESULT hr = S_OK;
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if (phnc)
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{
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phnc->Release();
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}
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phnc = NULL;
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if (fUninitCom)
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{
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CoUninitialize ();
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}
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return hr;
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}
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