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windows-nt/Source/XPSP1/NT/shell/osshell/snapins/devmgr/snapin/devdetpg.cpp
CryptoAlgo Inc b3cac27891 Add source files
2020-09-26 16:20:57 +08:00

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/*++
Copyright (C) 1997-1999 Microsoft Corporation
Module Name:
devdetpg.cpp
Abstract:
This module implements CDeviceDetailsPage -- device details
property page
Author:
Jason Cobb (JasonC) created
Revision History:
--*/
#include "devmgr.h"
#include "devdetpg.h"
#include <wmidata.h>
extern "C" {
#include <initguid.h>
#include <wdmguid.h>
}
//
// help topic ids
//
const DWORD g_a15HelpIDs[]=
{
IDC_DEVDETAILS_DESC, IDH_DISABLEHELP,
IDC_DEVDETAILS_ICON, IDH_DISABLEHELP,
0,0
};
BOOL
CDeviceDetailsPage::OnInitDialog(
LPPROPSHEETPAGE ppsp
)
{
try {
m_hwndDetailsList = GetDlgItem(m_hDlg, IDC_DEVDETAILS_LIST);
String DetailsType;
for (int i = DETAILS_DEVICEINSTANCEID; i < DETAILS_MAX; i++) {
DetailsType.LoadString(g_hInstance, IDS_DETAILS_DEVICEINSTANCEID + i);
SendDlgItemMessage(m_hDlg, IDC_DEVDETAILS_COMBO, CB_ADDSTRING, 0, (LPARAM)(LPTSTR)DetailsType);
}
SendDlgItemMessage(m_hDlg, IDC_DEVDETAILS_COMBO, CB_SETCURSEL, 0, 0);
LV_COLUMN lvcCol;
lvcCol.mask = LVCF_FMT | LVCF_WIDTH;
lvcCol.fmt = LVCFMT_LEFT;
lvcCol.iSubItem = 0;
ListView_InsertColumn(m_hwndDetailsList, 0, &lvcCol);
ListView_SetExtendedListViewStyle(m_hwndDetailsList, LVS_EX_FULLROWSELECT | LVS_EX_LABELTIP);
UpdateDetailsText();
}
catch (CMemoryException* e)
{
e->Delete();
// report memory error
MsgBoxParam(m_hDlg, 0, 0, 0);
}
return TRUE;
}
BOOL
CDeviceDetailsPage::OnCommand(
WPARAM wParam,
LPARAM lParam
)
{
switch (LOWORD(wParam)) {
case IDC_DEVDETAILS_COMBO:
if (CBN_SELCHANGE == HIWORD(wParam)) {
UpdateDetailsText();
}
break;
}
return FALSE;
}
BOOL
CDeviceDetailsPage::OnNotify(
LPNMHDR pnmhdr
)
{
if (pnmhdr->idFrom == IDC_DEVDETAILS_LIST) {
if (pnmhdr->code == LVN_KEYDOWN) {
LPNMLVKEYDOWN pnmlvKeyDown = (LPNMLVKEYDOWN)pnmhdr;
if (::GetKeyState(VK_CONTROL)) {
switch (pnmlvKeyDown->wVKey) {
case 'C':
case 'c':
case VK_INSERT:
CopyToClipboard();
break;
case 'A':
case 'a':
ListView_SetSelectionMark(m_hwndDetailsList, 0);
ListView_SetItemState(m_hwndDetailsList, -1, LVIS_SELECTED, LVIS_SELECTED);
break;
}
}
}
}
return FALSE;
}
//
// This function refreshes every control in the dialog. It may be called
// when the dialog is being initialized
//
void
CDeviceDetailsPage::UpdateControls(
LPARAM lParam
)
{
if (lParam) {
m_pDevice = (CDevice*)lParam;
}
try {
HICON hIconOld;
m_IDCicon = IDC_DEVDETAILS_ICON; // Save for cleanup in OnDestroy.
hIconOld = (HICON)SendDlgItemMessage(m_hDlg, IDC_DEVDETAILS_ICON, STM_SETICON,
(WPARAM)(m_pDevice->LoadClassIcon()),
0
);
if (hIconOld)
{
DestroyIcon(hIconOld);
}
SetDlgItemText(m_hDlg, IDC_DEVDETAILS_DESC, m_pDevice->GetDisplayName());
}
catch (CMemoryException* e)
{
e->Delete();
// report memory error
MsgBoxParam(m_hDlg, 0, 0, 0);
}
}
BOOL
CDeviceDetailsPage::OnHelp(
LPHELPINFO pHelpInfo
)
{
WinHelp((HWND)pHelpInfo->hItemHandle, DEVMGR_HELP_FILE_NAME, HELP_WM_HELP,
(ULONG_PTR)g_a15HelpIDs);
return FALSE;
}
BOOL
CDeviceDetailsPage::OnContextMenu(
HWND hWnd,
WORD xPos,
WORD yPos
)
{
WinHelp(hWnd, DEVMGR_HELP_FILE_NAME, HELP_CONTEXTMENU,
(ULONG_PTR)g_a15HelpIDs);
return FALSE;
}
void
CDeviceDetailsPage::UpdateDetailsText()
{
int CurSel = (int)SendDlgItemMessage(m_hDlg, IDC_DEVDETAILS_COMBO, CB_GETCURSEL, 0, 0);
if (CurSel != CB_ERR) {
ListView_DeleteAllItems(m_hwndDetailsList);
switch(CurSel) {
case DETAILS_DEVICEINSTANCEID:
LVITEM lv;
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.pszText = (LPTSTR)m_pDevice->GetDeviceID();
ListView_InsertItem(m_hwndDetailsList, &lv);
break;
case DETAILS_HARDWAREIDS:
DisplayMultiSzString(SPDRP_HARDWAREID);
break;
case DETAILS_COMPATIDS:
DisplayMultiSzString(SPDRP_COMPATIBLEIDS);
break;
case DETAILS_DEVICEUPPERFILTERS:
DisplayMultiSzString(SPDRP_UPPERFILTERS);
break;
case DETAILS_DEVICELOWERFILTERS:
DisplayMultiSzString(SPDRP_LOWERFILTERS);
break;
case DETAILS_CLASSUPPERFILTERS:
case DETAILS_CLASSLOWERFILTERS:
DisplayClassFilters(CurSel);
break;
case DETAILS_ENUMERATOR:
DisplayString(SPDRP_ENUMERATOR_NAME);
break;
case DETAILS_SERVICE:
DisplayString(SPDRP_SERVICE);
break;
case DETAILS_DEVNODE_FLAGS:
case DETAILS_CAPABILITIES:
case DETAILS_CONFIGFLAGS:
case DETAILS_CSCONFIGFLAGS:
case DETAILS_POWERCAPABILITIES:
DisplayDevnodeFlags(CurSel);
break;
case DETAILS_EJECTIONRELATIONS:
case DETAILS_REMOVALRELATIONS:
case DETAILS_BUSRELATIONS:
DisplayRelations(CurSel);
break;
case DETAILS_MATCHINGID:
DisplayMatchingId();
break;
case DETAILS_CLASSINSTALLER:
DisplayClassInstaller();
break;
case DETAILS_CLASSCOINSTALLERS:
DisplayClassCoInstallers();
break;
case DETAILS_DEVICECOINSTALLERS:
DisplayDeviceCoInstallers();
break;
case DETAILS_FIRMWAREREVISION:
DisplayFirmwareRevision();
break;
case DETAILS_CURRENTPOWERSTATE:
DisplayCurrentPowerState();
break;
case DETAILS_POWERSTATEMAPPINGS:
DisplayPowerStateMappings();
break;
}
ListView_SetColumnWidth(m_hwndDetailsList, 0, LVSCW_AUTOSIZE_USEHEADER);
}
}
void
CDeviceDetailsPage::DisplayMultiSzString(
DWORD Property
)
{
TCHAR TempBuffer[REGSTR_VAL_MAX_HCID_LEN];
ULONG TempBufferLen;
LPTSTR SingleItem = NULL;
LVITEM lv;
TempBufferLen = sizeof(TempBuffer);
if (m_pDevice->m_pMachine->DiGetDeviceRegistryProperty(
*m_pDevice,
Property,
NULL,
(PBYTE)TempBuffer,
TempBufferLen,
&TempBufferLen
) &&
(TempBufferLen > 2 * sizeof(TCHAR))) {
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
for (SingleItem = TempBuffer; *SingleItem; SingleItem += (lstrlen(SingleItem) + 1)) {
lv.pszText = SingleItem;
ListView_InsertItem(m_hwndDetailsList, &lv);
lv.iItem++;
}
}
}
void
CDeviceDetailsPage::DisplayString(
DWORD Property
)
{
TCHAR TempBuffer[MAX_PATH];
ULONG TempBufferLen;
LVITEM lv;
TempBufferLen = sizeof(TempBuffer);
if (m_pDevice->m_pMachine->DiGetDeviceRegistryProperty(
*m_pDevice,
Property,
NULL,
(PBYTE)TempBuffer,
TempBufferLen,
&TempBufferLen
) &&
(TempBufferLen > 2 * sizeof(TCHAR))) {
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
lv.pszText = TempBuffer;
ListView_InsertItem(m_hwndDetailsList, &lv);
}
}
void
CDeviceDetailsPage::DisplayDevnodeFlags(
DWORD StatusType
)
{
DWORD Flags, Problem;
LVITEM lv;
UINT StatusStringId;
int NumFlags;
String stringDevnodeFlags;
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
Flags = NumFlags = 0;
switch(StatusType) {
case DETAILS_CAPABILITIES:
m_pDevice->GetCapabilities(&Flags);
StatusStringId = IDS_CM_DEVCAP_LOCKSUPPORTED;
NumFlags = NUM_CM_DEVCAP_FLAGS;
break;
case DETAILS_DEVNODE_FLAGS:
m_pDevice->GetStatus(&Flags, &Problem);
StatusStringId = IDS_DN_ROOT_ENUMERATED;
NumFlags = NUM_DN_STATUS_FLAGS;
break;
case DETAILS_CONFIGFLAGS:
m_pDevice->GetConfigFlags(&Flags);
StatusStringId = IDS_CONFIGFLAG_DISABLED;
NumFlags = NUM_CONFIGFLAGS;
break;
case DETAILS_CSCONFIGFLAGS:
m_pDevice->GetConfigSpecificConfigFlags(&Flags);
StatusStringId = IDS_CSCONFIGFLAG_DISABLED;
NumFlags = NUM_CSCONFIGFLAGS;
break;
case DETAILS_POWERCAPABILITIES:
m_pDevice->GetPowerCapabilities(&Flags);
StatusStringId = IDS_PDCAP_D0_SUPPORTED;
NumFlags = NUM_POWERCAPABILITIES;
break;
}
for (int i = 0; i < NumFlags; i++) {
if (Flags & 1<<i) {
stringDevnodeFlags.LoadString(g_hInstance, StatusStringId + i);
lv.pszText = (LPTSTR)stringDevnodeFlags;
ListView_InsertItem(m_hwndDetailsList, &lv);
lv.iItem++;
}
}
}
void
CDeviceDetailsPage::DisplayRelations(
DWORD RelationType
)
{
DWORD FilterFlags = 0;
ULONG RelationsSize = 0;
LVITEM lv;
LPTSTR DeviceIdRelations, CurrDevId;
switch(RelationType) {
case DETAILS_EJECTIONRELATIONS:
FilterFlags = CM_GETIDLIST_FILTER_EJECTRELATIONS;
break;
case DETAILS_REMOVALRELATIONS:
FilterFlags = CM_GETIDLIST_FILTER_REMOVALRELATIONS;
break;
case DETAILS_BUSRELATIONS:
FilterFlags = CM_GETIDLIST_FILTER_BUSRELATIONS;
break;
}
if ((CM_Get_Device_ID_List_Size_Ex(&RelationsSize,
m_pDevice->GetDeviceID(),
FilterFlags,
m_pDevice->m_pMachine->GetHMachine()
) == CR_SUCCESS) &&
(RelationsSize > 2 * sizeof(TCHAR))) {
if (DeviceIdRelations = (LPTSTR)LocalAlloc(LPTR, RelationsSize * sizeof(TCHAR))) {
if ((CM_Get_Device_ID_List_Ex(m_pDevice->GetDeviceID(),
DeviceIdRelations,
RelationsSize,
FilterFlags,
m_pDevice->m_pMachine->GetHMachine()
) == CR_SUCCESS) &&
(*DeviceIdRelations)) {
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
for (CurrDevId = DeviceIdRelations; *CurrDevId; CurrDevId += lstrlen(CurrDevId) + 1) {
lv.pszText = CurrDevId;
ListView_InsertItem(m_hwndDetailsList, &lv);
lv.iItem++;
}
}
LocalFree(DeviceIdRelations);
}
}
}
void
CDeviceDetailsPage::DisplayMatchingId(
VOID
)
{
HKEY hKey;
TCHAR TempBuffer[MAX_PATH];
ULONG TempBufferLen;
DWORD regType;
LVITEM lv;
//
// Open drvice's driver registry key to get the MatchingDeviceId string
//
hKey = m_pDevice->m_pMachine->DiOpenDevRegKey(*m_pDevice, DICS_FLAG_GLOBAL,
0, DIREG_DRV, KEY_READ);
if (INVALID_HANDLE_VALUE != hKey) {
CSafeRegistry regDrv(hKey);
TempBufferLen = sizeof(TempBuffer);
//
// Get the MatchingDeviceId from the driver key
//
if (regDrv.GetValue(REGSTR_VAL_MATCHINGDEVID,
&regType,
(PBYTE)TempBuffer,
&TempBufferLen) &&
(TempBufferLen > 2 * sizeof(TCHAR))) {
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
lv.pszText = TempBuffer;
ListView_InsertItem(m_hwndDetailsList, &lv);
}
}
}
void
CDeviceDetailsPage::CopyToClipboard(
void
)
{
String stringClipboardData;
TCHAR singleItem[REGSTR_VAL_MAX_HCID_LEN];
stringClipboardData.Empty();
//
// Enumerate through all of the items and add the selected ones to the clipboard.
//
for (int index = 0;
index != -1, index < ListView_GetItemCount(m_hwndDetailsList);
index ++) {
//
// If this item is selected then add it to the clipboard.
//
if (ListView_GetItemState(m_hwndDetailsList, index, LVIS_SELECTED) & LVIS_SELECTED) {
ListView_GetItemText(m_hwndDetailsList, index, 0, singleItem, sizeof(singleItem));
if (stringClipboardData.IsEmpty()) {
stringClipboardData = (LPCTSTR)singleItem;
} else {
stringClipboardData += (LPCTSTR)singleItem;
}
stringClipboardData += (LPCTSTR)TEXT("\r\n");
}
}
if (!stringClipboardData.IsEmpty()) {
HGLOBAL hMem = GlobalAlloc(GPTR, (stringClipboardData.GetLength() + 1) * sizeof(TCHAR));
if (hMem) {
memcpy(hMem, (LPTSTR)stringClipboardData, (stringClipboardData.GetLength() + 1) * sizeof(TCHAR));
if (OpenClipboard(m_hDlg)) {
EmptyClipboard();
SetClipboardData(CF_UNICODETEXT, hMem);
CloseClipboard();
} else {
GlobalFree(hMem);
}
}
}
}
void
CDeviceDetailsPage::DisplayClassInstaller(
VOID
)
{
HKEY hKey;
TCHAR TempBuffer[MAX_PATH];
ULONG TempBufferLen;
DWORD regType;
LVITEM lv;
PTSTR StringPtr;
GUID ClassGuid;
m_pDevice->ClassGuid(ClassGuid);
//
// Open Classes registry key
//
hKey = m_pDevice->m_pMachine->DiOpenClassRegKey(&ClassGuid, KEY_READ, DIOCR_INSTALLER);
if (INVALID_HANDLE_VALUE != hKey) {
CSafeRegistry regClass(hKey);
TempBufferLen = sizeof(TempBuffer);
//
// Get the Installer32 from the driver key
//
if (regClass.GetValue(REGSTR_VAL_INSTALLER_32,
&regType,
(PBYTE)TempBuffer,
&TempBufferLen) &&
(TempBufferLen > 2 * sizeof(TCHAR))) {
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
lv.pszText = TempBuffer;
ListView_InsertItem(m_hwndDetailsList, &lv);
}
}
}
void
CDeviceDetailsPage::DisplayClassCoInstallers(
VOID
)
{
TCHAR GuidString[MAX_GUID_STRING_LEN];
DWORD regType, cbSize;
LVITEM lv;
CSafeRegistry regCoDeviceInstallers;
PTSTR coinstallers;
//
// Get the string form of the class GUID, because that will be the name of
// the multi-sz value entry under HKLM\System\CCS\Control\CoDeviceInstallers
// where class-specific co-installers will be registered
//
GUID ClassGuid;
m_pDevice->ClassGuid(ClassGuid);
if (GuidToString(&ClassGuid, GuidString, ARRAYLEN(GuidString))) {
if (regCoDeviceInstallers.Open(HKEY_LOCAL_MACHINE, REGSTR_PATH_CODEVICEINSTALLERS)) {
//
// Get the size of the coinstaller value
//
cbSize = 0;
if (regCoDeviceInstallers.GetValue(GuidString, &regType, NULL, &cbSize) &&
(cbSize > (2 * sizeof(TCHAR))) &&
(regType == REG_MULTI_SZ)) {
//
// Allocate memory to hold the coinstaller values. First we will tack on some extra
// space at the end of the buffer in case someone forgot to double NULL terminate
// the multi_sz string.
//
coinstallers = (LPTSTR)LocalAlloc(LPTR, (cbSize + (2 * sizeof(TCHAR))));
if (coinstallers) {
if (regCoDeviceInstallers.GetValue(GuidString,
&regType,
(PBYTE)coinstallers,
&cbSize
)) {
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
for (PTSTR p = coinstallers; *p; p += (lstrlen(p) + 1)) {
lv.pszText = p;
ListView_InsertItem(m_hwndDetailsList, &lv);
lv.iItem++;
}
}
LocalFree(coinstallers);
}
}
}
}
}
void
CDeviceDetailsPage::DisplayDeviceCoInstallers(
VOID
)
{
DWORD regType, cbSize;
LVITEM lv;
HKEY hKey;
PTSTR coinstallers;
//
// Open drvice's driver registry key to get the Installer32 string
//
hKey = m_pDevice->m_pMachine->DiOpenDevRegKey(*m_pDevice, DICS_FLAG_GLOBAL,
0, DIREG_DRV, KEY_READ);
if (INVALID_HANDLE_VALUE != hKey) {
CSafeRegistry regCoDeviceInstallers(hKey);
//
// Get the size of the coinstaller value
//
cbSize = 0;
if (regCoDeviceInstallers.GetValue(REGSTR_VAL_COINSTALLERS_32, &regType, NULL, &cbSize) &&
(cbSize > (2 * sizeof(TCHAR))) &&
(regType == REG_MULTI_SZ)) {
//
// Allocate memory to hold the coinstaller values. First we will tack on some extra
// space at the end of the buffer in case someone forgot to double NULL terminate
// the multi_sz string.
//
coinstallers = (LPTSTR)LocalAlloc(LPTR, (cbSize + (2 * sizeof(TCHAR))));
if (coinstallers) {
if (regCoDeviceInstallers.GetValue(REGSTR_VAL_COINSTALLERS_32,
&regType,
(PBYTE)coinstallers,
&cbSize
)) {
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
for (PTSTR p = coinstallers; *p; p += (lstrlen(p) + 1)) {
lv.pszText = p;
ListView_InsertItem(m_hwndDetailsList, &lv);
lv.iItem++;
}
}
LocalFree(coinstallers);
}
}
}
}
void
CDeviceDetailsPage::DisplayFirmwareRevision(
VOID
)
{
WMIHANDLE hWmiBlock;
TCHAR DevInstId[MAX_DEVICE_ID_LEN + 2];
LVITEM lv;
WmiDevInstToInstanceName(DevInstId, ARRAYLEN(DevInstId), (PTCHAR)m_pDevice->GetDeviceID(), 0);
ULONG Error;
GUID Guid = DEVICE_UI_FIRMWARE_REVISION_GUID;
Error = WmiOpenBlock(&Guid, 0, &hWmiBlock);
if (ERROR_SUCCESS == Error) {
ULONG BufferSize = 0;
Error = WmiQuerySingleInstance(hWmiBlock,
DevInstId,
&BufferSize,
NULL
);
if (BufferSize && (ERROR_INSUFFICIENT_BUFFER == Error)) {
BYTE* pWmiInstData = new BYTE[BufferSize];
if (pWmiInstData) {
Error = WmiQuerySingleInstance(hWmiBlock,
DevInstId,
&BufferSize,
pWmiInstData
);
if (ERROR_SUCCESS == Error &&
((PWNODE_SINGLE_INSTANCE)pWmiInstData)->SizeDataBlock) {
//
// The buffer that is returned using the fine UNICODE_STRING format
// where the first ULONG is the length of the string and the string
// is NOT NULL terminated.
//
TCHAR FirmwareRevision[MAX_PATH];
PTCHAR WmiBuffer = ((LPTSTR)(pWmiInstData + ((PWNODE_SINGLE_INSTANCE)pWmiInstData)->DataBlockOffset));
ZeroMemory(FirmwareRevision, MAX_PATH);
ULONG Len = *WmiBuffer++;
memcpy(FirmwareRevision, WmiBuffer, Len);
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
lv.pszText = FirmwareRevision;
ListView_InsertItem(m_hwndDetailsList, &lv);
}
delete [] pWmiInstData;
}
}
WmiCloseBlock(hWmiBlock);
}
}
void
CDeviceDetailsPage::DisplayCurrentPowerState(
VOID
)
{
CM_POWER_DATA CmPowerData;
ULONG ulSize;
INT PowerStringId;
LVITEM lv;
String stringCurrentPowerState;
ulSize = sizeof(CmPowerData);
if (m_pDevice->m_pMachine->CmGetRegistryProperty(m_pDevice->GetDevNode(),
CM_DRP_DEVICE_POWER_DATA,
&CmPowerData,
&ulSize
) == CR_SUCCESS) {
PowerStringId = IDS_POWERSTATE_UNSPECIFIED + CmPowerData.PD_MostRecentPowerState;
if (CmPowerData.PD_MostRecentPowerState > PowerDeviceD3) {
PowerStringId = IDS_POWERSTATE_UNSPECIFIED;
}
stringCurrentPowerState.LoadString(g_hInstance, PowerStringId);
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
lv.pszText = (LPTSTR)stringCurrentPowerState;
ListView_InsertItem(m_hwndDetailsList, &lv);
}
}
void
CDeviceDetailsPage::DisplayPowerStateMappings(
VOID
)
{
CM_POWER_DATA CmPowerData;
ULONG ulSize;
LVITEM lv;
INT PowerStringId;
String stringPowerStateMapping;
String stringPowerState;
ulSize = sizeof(CmPowerData);
if (m_pDevice->m_pMachine->CmGetRegistryProperty(m_pDevice->GetDevNode(),
CM_DRP_DEVICE_POWER_DATA,
&CmPowerData,
&ulSize
) == CR_SUCCESS) {
for (int i=PowerSystemWorking; i<=PowerSystemShutdown; i++) {
stringPowerStateMapping.Format(TEXT("S%d -> "), (i-1));
PowerStringId = IDS_POWERSTATE_UNSPECIFIED + CmPowerData.PD_PowerStateMapping[i];
if (CmPowerData.PD_PowerStateMapping[i] > PowerDeviceD3) {
PowerStringId = IDS_POWERSTATE_UNSPECIFIED;
}
stringPowerState.LoadString(g_hInstance, PowerStringId);
stringPowerStateMapping+=stringPowerState;
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = ListView_GetItemCount(m_hwndDetailsList);
lv.pszText = (LPTSTR)stringPowerStateMapping;
ListView_InsertItem(m_hwndDetailsList, &lv);
}
}
}
void
CDeviceDetailsPage::DisplayClassFilters(
DWORD ClassFilter
)
{
HKEY hKey;
ULONG BufferLen;
DWORD regType;
LVITEM lv;
GUID ClassGuid;
m_pDevice->ClassGuid(ClassGuid);
//
// Open Classes registry key
//
hKey = m_pDevice->m_pMachine->DiOpenClassRegKey(&ClassGuid, KEY_READ, DIOCR_INSTALLER);
if (INVALID_HANDLE_VALUE != hKey) {
CSafeRegistry regClass(hKey);
//
// Determine how much space we need.
//
BufferLen = 0;
regClass.GetValue((ClassFilter == DETAILS_CLASSLOWERFILTERS)
? REGSTR_VAL_LOWERFILTERS
: REGSTR_VAL_UPPERFILTERS,
&regType,
NULL,
&BufferLen);
if (BufferLen != 0) {
PBYTE Buffer = new BYTE[BufferLen + (2 * sizeof(TCHAR))];
if (Buffer) {
ZeroMemory(Buffer, BufferLen + (2 * sizeof(TCHAR)));
if (regClass.GetValue((ClassFilter == DETAILS_CLASSLOWERFILTERS)
? REGSTR_VAL_LOWERFILTERS
: REGSTR_VAL_UPPERFILTERS,
&regType,
(PBYTE)Buffer,
&BufferLen)) {
ZeroMemory(&lv, sizeof(LVITEM));
lv.mask = LVIF_TEXT;
lv.iItem = 0;
for (PTSTR SingleItem = (PTSTR)Buffer; *SingleItem; SingleItem += (lstrlen(SingleItem) + 1)) {
lv.pszText = SingleItem;
ListView_InsertItem(m_hwndDetailsList, &lv);
lv.iItem++;
}
}
delete Buffer;
}
}
}
}
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