windows-nt/Source/XPSP1/NT/shell/services/hdsrv/shhwdtct/devinfo.cpp

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2020-09-26 03:20:57 -05:00
#include "devinfo.h"
#include "vol.h"
#include "dtct.h"
#include "dtctreg.h"
#include "svcsync.h"
#include "cmmn.h"
#include "misc.h"
#include "tfids.h"
#include "dbg.h"
#define ARRAYSIZE(a) (sizeof((a))/sizeof((a)[0]))
STDMETHODIMP CHWDeviceImpl::Init(LPCWSTR pszDeviceID)
{
HRESULT hr;
if (!_fInited)
{
if (pszDeviceID && *pszDeviceID)
{
hr = DupString(pszDeviceID, &_pszDeviceID);
if (SUCCEEDED(hr))
{
_fInited = TRUE;
}
}
else
{
hr = E_INVALIDARG;
}
}
else
{
// Cannot reinit
hr = E_FAIL;
}
return hr;
}
STDMETHODIMP CHWDeviceImpl::AutoplayHandler(LPCWSTR pszEventType,
LPCWSTR pszHandler)
{
return _ExecuteHandler(_pszDeviceID, pszEventType,
pszHandler);
}
CHWDeviceImpl::CHWDeviceImpl() : _pszDeviceID(NULL), _fInited(FALSE)
{
_CompleteShellHWDetectionInitialization();
}
CHWDeviceImpl::~CHWDeviceImpl()
{
if (_pszDeviceID)
{
LocalFree(_pszDeviceID);
}
}