void CEnumSerial::EnumPortsW9x(CArray<SSerInfo,SSerInfo&> &asi)
{
// Look at all keys in HKLM\Enum, searching for subkeys named
// *PNP0500 and *PNP0501. Within these subkeys, search for
// sub-subkeys containing value entries with the name "PORTNAME"
// Search all subkeys of HKLM\Enum\USBPORTS for PORTNAME entries.
// First, open HKLM\Enum
HKEY hkEnum = NULL;
HKEY hkSubEnum = NULL;
HKEY hkSubSubEnum = NULL;
try
{
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("Enum"), 0, KEY_READ, &hkEnum) != ERROR_SUCCESS)
throw CString(_T("Could not read from HKLM\\Enum"));
// Enumerate the subkeys of HKLM\Enum
CString acSubEnum;
DWORD dwSubEnumIndex = 0;
DWORD dwSize = sizeof(acSubEnum);
BOOL bContinue;
LONG regRet;
bContinue = TRUE;
while (bContinue)
{
dwSize = 1024;
regRet = RegEnumKeyEx(hkEnum, dwSubEnumIndex, acSubEnum.GetBuffer(1024), &dwSize, NULL, NULL, NULL, NULL);
acSubEnum.ReleaseBuffer();
if (regRet == ERROR_SUCCESS)
{
dwSubEnumIndex++;
HKEY hkSubEnum = NULL;
if (RegOpenKeyEx(hkEnum, acSubEnum, 0, KEY_READ, &hkSubEnum) != ERROR_SUCCESS)
throw CString(_T("Could not read from HKLM\\Enum\\"))+acSubEnum;
// Enumerate the subkeys of HKLM\Enum\*\, looking for keys
// named *PNP0500 and *PNP0501 (or anything in USBPORTS)
BOOL bUsbDevice;
if (acSubEnum == _T("USBPORTS"))
bUsbDevice = TRUE;
else
bUsbDevice = FALSE;
CString acSubSubEnum;
BOOL bContinueSub;
DWORD dwSubSubEnumIndex = 0;
bContinueSub = TRUE;
while (bContinueSub)
{
dwSize = 1024; // set the buffer size
regRet = RegEnumKeyEx(hkSubEnum, dwSubSubEnumIndex, acSubSubEnum.GetBuffer(1024), &dwSize, NULL, NULL, NULL, NULL);
acSubSubEnum.ReleaseBuffer();
dwSubSubEnumIndex++;
if (regRet == ERROR_SUCCESS)
{
BOOL bMatch;
if ( (acSubSubEnum == _T("*PNP0500")) || (acSubSubEnum == _T("*PNP0501")) || bUsbDevice )
bMatch = TRUE;
else
bMatch = FALSE;
if (bMatch)
{
HKEY hkSubSubEnum = NULL;
if (RegOpenKeyEx(hkSubEnum, acSubSubEnum, 0, KEY_READ, &hkSubSubEnum) != ERROR_SUCCESS)
throw CString(_T("Could not read from HKLM\\Enum\\")) + acSubEnum + _T("\\") + acSubSubEnum;
SearchPnpKeyW9x(hkSubSubEnum, bUsbDevice, asi);
RegCloseKey(hkSubSubEnum);
hkSubSubEnum = NULL;
}
}
else
{
bContinueSub = FALSE;
}
}
RegCloseKey(hkSubEnum);
hkSubEnum = NULL;
}
else
{
bContinue = FALSE;
}
}
}
catch (CString strError)
{
if (hkEnum != NULL)
RegCloseKey(hkEnum);
if (hkSubEnum != NULL)
RegCloseKey(hkSubEnum);
if (hkSubSubEnum != NULL)
RegCloseKey(hkSubSubEnum);
throw strError;
}
RegCloseKey(hkEnum);
}
void EnumPortsW9x(CArray<SSerInfo,SSerInfo&> &asi)
{
// Look at all keys in HKLM\Enum, searching for subkeys named
// *PNP0500 and *PNP0501. Within these subkeys, search for
// sub-subkeys containing value entries with the name "PORTNAME"
// Search all subkeys of HKLM\Enum\USBPORTS for PORTNAME entries.
// First, open HKLM\Enum
HKEY hkEnum = NULL;
HKEY hkSubEnum = NULL;
HKEY hkSubSubEnum = NULL;
try {
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"Enum", 0, KEY_READ,
&hkEnum) != ERROR_SUCCESS)
throw CString("Could not read from HKLM\\Enum");
// Enumerate the subkeys of HKLM\Enum
char acSubEnum[128];
DWORD dwSubEnumIndex = 0;
DWORD dwSize = sizeof(acSubEnum);
CString strTemp_acSubEnum;
while (RegEnumKeyEx(hkEnum, dwSubEnumIndex++, strTemp_acSubEnum.GetBuffer(), &dwSize,
NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
{
strTemp_acSubEnum.ReleaseBuffer();
HKEY hkSubEnum = NULL;
if (RegOpenKeyEx(hkEnum, strTemp_acSubEnum.GetBuffer(), 0, KEY_READ,
&hkSubEnum) != ERROR_SUCCESS)
{
strTemp_acSubEnum.ReleaseBuffer();
throw CString("Could not read from HKLM\\Enum\\") + strTemp_acSubEnum;
}
// Enumerate the subkeys of HKLM\Enum\*\, looking for keys
// named *PNP0500 and *PNP0501 (or anything in USBPORTS)
BOOL bUsbDevice = (strTemp_acSubEnum.CompareNoCase(L"USBPORTS")==0);
char acSubSubEnum[128];
dwSize = sizeof(acSubSubEnum); // set the buffer size
DWORD dwSubSubEnumIndex = 0;
CString strTemp_acSubSubEnum;
while (RegEnumKeyEx(hkSubEnum, dwSubSubEnumIndex++, strTemp_acSubSubEnum.GetBuffer(),
&dwSize, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
{
strTemp_acSubSubEnum.ReleaseBuffer();
BOOL bMatch = (strTemp_acSubSubEnum.CompareNoCase(L"*PNP0500")==0 ||
strTemp_acSubSubEnum.CompareNoCase(L"*PNP0501")==0 ||
bUsbDevice);
if (bMatch) {
HKEY hkSubSubEnum = NULL;
if (RegOpenKeyEx(hkSubEnum, strTemp_acSubSubEnum.GetBuffer(), 0, KEY_READ,
&hkSubSubEnum) != ERROR_SUCCESS)
{
strTemp_acSubSubEnum.ReleaseBuffer();
throw CString("Could not read from HKLM\\Enum\\") +
strTemp_acSubEnum + L"\\" + strTemp_acSubSubEnum;
}
SearchPnpKeyW9x(hkSubSubEnum, bUsbDevice, asi);
RegCloseKey(hkSubSubEnum);
hkSubSubEnum = NULL;
}
dwSize = sizeof(acSubSubEnum); // restore the buffer size
}
RegCloseKey(hkSubEnum);
hkSubEnum = NULL;
dwSize = sizeof(acSubEnum); // restore the buffer size
}
}
catch (CString strError) {
if (hkEnum != NULL)
RegCloseKey(hkEnum);
if (hkSubEnum != NULL)
RegCloseKey(hkSubEnum);
if (hkSubSubEnum != NULL)
RegCloseKey(hkSubSubEnum);
throw strError;
}
RegCloseKey(hkEnum);
}
