438 lines
7.8 KiB
C++
438 lines
7.8 KiB
C++
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// SetupClasses.cpp : Implementation of CSetupClasses
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#include "stdafx.h"
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#include "DevCon2.h"
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#include "SetupClass.h"
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#include "SetupClassEnum.h"
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#include "SetupClasses.h"
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#include "DeviceConsole.h"
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#include "Devices.h"
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#include "xStrings.h"
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#include "utils.h"
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/////////////////////////////////////////////////////////////////////////////
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// CSetupClasses
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CSetupClasses::~CSetupClasses()
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{
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DWORD c;
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if(pSetupClasses) {
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for(c=0;c<Count;c++) {
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pSetupClasses[c]->Release();
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}
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delete [] pSetupClasses;
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}
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if(pMachine) {
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SysFreeString(pMachine);
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}
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}
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STDMETHODIMP CSetupClasses::get_Count(long *pVal)
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{
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*pVal = (long)Count;
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return S_OK;
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}
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STDMETHODIMP CSetupClasses::Item(long Index, LPDISPATCH *ppVal)
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{
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*ppVal = NULL;
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DWORD i = (DWORD)Index;
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if(i<1 || i > Count) {
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return E_INVALIDARG;
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}
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i--;
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pSetupClasses[i]->AddRef();
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*ppVal = pSetupClasses[i];
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return S_OK;
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}
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STDMETHODIMP CSetupClasses::get__NewEnum(IUnknown **ppUnk)
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{
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*ppUnk = NULL;
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HRESULT hr;
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CComObject<CSetupClassEnum> *pEnum = NULL;
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hr = CComObject<CSetupClassEnum>::CreateInstance(&pEnum);
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if(FAILED(hr)) {
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return hr;
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}
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if(!pEnum) {
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return E_OUTOFMEMORY;
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}
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pEnum->AddRef();
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if(!pEnum->CopySetupClasses(pSetupClasses,Count)) {
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pEnum->Release();
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return E_OUTOFMEMORY;
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}
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*ppUnk = pEnum;
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return S_OK;
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}
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BOOL CSetupClasses::IncreaseArraySize(DWORD add)
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{
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CSetupClass** pNewSetupClasses;
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DWORD Inc;
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DWORD c;
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if((ArraySize-Count)>=add) {
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return TRUE;
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}
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Inc = ArraySize + add + 32;
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pNewSetupClasses = new CSetupClass*[Inc];
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if(!pNewSetupClasses) {
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return FALSE;
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}
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for(c=0;c<Count;c++) {
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pNewSetupClasses[c] = pSetupClasses[c];
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}
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delete [] pSetupClasses;
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pSetupClasses = pNewSetupClasses;
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ArraySize = Inc;
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return TRUE;
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}
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HRESULT CSetupClasses::Init(LPCWSTR Machine, IDeviceConsole *pDevCon)
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{
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if(pMachine) {
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SysFreeString(pMachine);
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}
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if(Machine) {
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pMachine = SysAllocString(Machine);
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if(!pMachine) {
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return E_OUTOFMEMORY;
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}
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} else {
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pMachine = NULL;
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}
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DeviceConsole = pDevCon;
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return S_OK;
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}
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HRESULT CSetupClasses::AppendClass(LPCWSTR Filter)
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{
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DWORD nClasses;
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DWORD nClasses2;
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DWORD c;
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DWORD Err;
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HRESULT hr;
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if(Filter[0]==L'{') {
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//
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// possibly GUID
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//
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GUID guid;
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hr = CLSIDFromString((LPWSTR)Filter,&guid);
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if(SUCCEEDED(hr)) {
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//
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// class is in GUID format
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//
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if(FindDuplicate(&guid)) {
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return S_OK;
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}
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return AddGuid(&guid);
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}
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}
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//
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// class is probably in text format
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// obtain list of class id's that match class name
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// append all class devices for each class guid
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//
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if(SetupDiClassGuidsFromNameEx(Filter,NULL,0,&nClasses,pMachine,NULL) || GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
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if(!nClasses) {
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//
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// no classes
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//
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return S_FALSE;
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}
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GUID *pList = new GUID[nClasses];
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if(!pList) {
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return E_OUTOFMEMORY;
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}
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if(SetupDiClassGuidsFromNameEx(Filter,pList,nClasses,&nClasses2,pMachine,NULL) || GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
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//
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// count may have changed since last call
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//
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if(nClasses>nClasses2) {
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nClasses = nClasses2;
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}
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if(!nClasses) {
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//
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// no classes
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//
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delete [] pList;
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return S_FALSE;
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}
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for(c=0;c<nClasses;c++) {
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if(FindDuplicate(&pList[c])) {
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continue;
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}
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hr = AddGuid(&pList[c]);
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if(FAILED(hr)) {
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delete [] pList;
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return hr;
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}
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}
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delete [] pList;
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return hr;
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}
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}
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Err = GetLastError();
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return HRESULT_FROM_SETUPAPI(Err);
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}
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HRESULT CSetupClasses::AddGuid(GUID *pGuid)
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{
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if(!IncreaseArraySize(1)) {
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return E_OUTOFMEMORY;
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}
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CComObject<CSetupClass> *d;
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HRESULT hr;
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hr = CComObject<CSetupClass>::CreateInstance(&d);
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if(FAILED(hr)) {
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return hr;
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}
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d->AddRef();
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hr = d->Init(pGuid,pMachine,DeviceConsole);
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if(FAILED(hr)) {
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d->Release();
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return hr;
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}
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pSetupClasses[Count++] = d;
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return S_OK;
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}
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STDMETHODIMP CSetupClasses::Add(VARIANT ClassNames)
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{
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//
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// can pass in a collection
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//
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CComObject<CStrings> *pStrings = NULL;
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HRESULT hr;
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DWORD c;
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BSTR str;
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hr = CComObject<CStrings>::CreateInstance(&pStrings);
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if(FAILED(hr)) {
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return hr;
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}
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pStrings->AddRef();
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hr = pStrings->InternalInsert(0,&ClassNames);
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if(FAILED(hr)) {
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pStrings->Release();
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return hr;
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}
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for(c=0;pStrings->InternalEnum(c,&str);c++) {
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hr = AppendClass(str);
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if(FAILED(hr)) {
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pStrings->Release();
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return hr;
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}
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}
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pStrings->Release();
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return c ? S_OK : S_FALSE;
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}
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BOOL CSetupClasses::FindDuplicate(GUID *pGuid)
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{
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DWORD c;
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for(c=0;c<Count;c++) {
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if(pSetupClasses[c]->IsDuplicate(pGuid)) {
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return TRUE;
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}
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}
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return FALSE;
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}
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STDMETHODIMP CSetupClasses::Remove(VARIANT v)
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{
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// TODO: Add your implementation code here
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return S_OK;
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}
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HRESULT CSetupClasses::GetIndex(LPVARIANT Index, DWORD *pAt)
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{
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CComVariant v;
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HRESULT hr;
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if(IsNumericVariant(Index)) {
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hr = v.ChangeType(VT_I4,Index);
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if(FAILED(hr)) {
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return DISP_E_TYPEMISMATCH;
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}
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if(V_I4(&v)<1) {
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return E_INVALIDARG;
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}
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*pAt = ((DWORD)V_I4(&v))-1;
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return S_OK;
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}
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//
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// user actually supplied guid?
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//
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hr = v.ChangeType(VT_BSTR,Index);
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if(FAILED(hr)) {
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return DISP_E_TYPEMISMATCH;
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}
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if(!Count) {
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//
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// cannot match anything
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//
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return E_INVALIDARG;
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}
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BSTR pMatch = V_BSTR(&v);
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if(pMatch[0]!=L'{') {
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return E_INVALIDARG;
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}
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//
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// obtain GUID
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//
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GUID guid;
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hr = CLSIDFromString((LPWSTR)pMatch,&guid);
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if(FAILED(hr)) {
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return hr;
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}
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DWORD c;
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for(c=0;c<Count;c++) {
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if(pSetupClasses[c]->IsDuplicate(&guid)) {
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*pAt = c;
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return S_OK;
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}
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}
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//
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// still none found
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//
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return E_INVALIDARG;
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}
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STDMETHODIMP CSetupClasses::Devices(VARIANT flags, LPDISPATCH *pDevices)
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{
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//
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// combine devices for all classes
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//
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DWORD diflags = 0;
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HRESULT hr;
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HDEVINFO hDevInfo = INVALID_HANDLE_VALUE;
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HDEVINFO hPrevDevInfo = NULL;
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DWORD Err;
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DWORD c;
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hr = TranslateDeviceFlags(&flags,&diflags);
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if(FAILED(hr)) {
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return hr;
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}
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for(c=0;c<Count;c++) {
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hDevInfo = SetupDiGetClassDevsEx(pSetupClasses[c]->Guid(),NULL,NULL,diflags,hPrevDevInfo,pMachine,NULL);
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if(hDevInfo == INVALID_HANDLE_VALUE) {
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Err = GetLastError();
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if(hPrevDevInfo) {
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SetupDiDestroyDeviceInfoList(hPrevDevInfo);
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}
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return HRESULT_FROM_SETUPAPI(Err);
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}
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hPrevDevInfo = hDevInfo;
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}
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if(hDevInfo == INVALID_HANDLE_VALUE) {
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return E_INVALIDARG;
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}
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CComObject<CDevices> *d;
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hr = CComObject<CDevices>::CreateInstance(&d);
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if(FAILED(hr)) {
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SetupDiDestroyDeviceInfoList(hDevInfo);
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return hr;
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}
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d->AddRef();
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hr = d->Init(hDevInfo,DeviceConsole);
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if(FAILED(hr)) {
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d->Release();
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return hr;
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}
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*pDevices = d;
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return S_OK;
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}
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HRESULT CSetupClasses::AllClasses()
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{
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DWORD nClasses;
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DWORD nClasses2;
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DWORD c;
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DWORD Err;
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HRESULT hr;
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//
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// start with empty list
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//
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if(pSetupClasses) {
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for(c=0;c<Count;c++) {
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pSetupClasses[c]->Release();
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}
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delete [] pSetupClasses;
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}
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//
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// all classes
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//
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if(SetupDiBuildClassInfoListEx(0,NULL,0,&nClasses,pMachine,NULL) || GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
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if(!nClasses) {
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//
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// no classes
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//
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return S_FALSE;
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}
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GUID *pList = new GUID[nClasses];
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if(!pList) {
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return E_OUTOFMEMORY;
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}
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if(SetupDiBuildClassInfoListEx(0,pList,nClasses,&nClasses2,pMachine,NULL) || GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
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//
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// count may have changed since last call
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//
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if(nClasses>nClasses2) {
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nClasses = nClasses2;
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}
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if(!nClasses) {
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//
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// no classes
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//
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delete [] pList;
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return S_FALSE;
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}
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for(c=0;c<nClasses;c++) {
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hr = AddGuid(&pList[c]);
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if(FAILED(hr)) {
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delete [] pList;
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return hr;
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}
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}
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delete [] pList;
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return hr;
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}
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|
}
|
||
|
|
Err = GetLastError();
|
||
|
|
return HRESULT_FROM_SETUPAPI(Err);
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSetupClasses::get_Machine(BSTR *pVal)
|
||
|
|
{
|
||
|
|
if((pMachine == NULL) || !pMachine[0]) {
|
||
|
|
*pVal = SysAllocString(L"");
|
||
|
|
if(*pVal) {
|
||
|
|
return S_FALSE;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
*pVal = SysAllocString(pMachine);
|
||
|
|
if(*pVal) {
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*pVal = NULL;
|
||
|
|
return E_OUTOFMEMORY;
|
||
|
|
}
|