Source code of Windows XP (NT5)
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110 lines
2.2 KiB

#include "miscdev.h"
HRESULT CMiscDeviceInterface::Init(LPCWSTR pszElemName)
{
HRESULT hr = _SetName(pszElemName);
if (SUCCEEDED(hr))
{
DEVINST devinst;
GUID guidDummy;
hr = _GetDeviceInstance(pszElemName, &devinst, &guidDummy);
if (SUCCEEDED(hr) && (S_FALSE != hr))
{
hr = _hwdevinst.Init(devinst);
}
}
return hr;
}
HRESULT CMiscDeviceInterface::InitInterfaceGUID(const GUID* pguidInterface)
{
return _hwdevinst.InitInterfaceGUID(pguidInterface);
}
HRESULT CMiscDeviceInterface::GetHWDeviceInst(CHWDeviceInst** pphwdevinst)
{
*pphwdevinst = &_hwdevinst;
return S_OK;
}
//static
HRESULT CMiscDeviceInterface::Create(CNamedElem** ppelem)
{
HRESULT hres = S_OK;
*ppelem = new CMiscDeviceInterface();
if (!(*ppelem))
{
hres = E_OUTOFMEMORY;
}
return hres;
}
///////////////////////////////////////////////////////////////////////////////
//
CMiscDeviceInterface::CMiscDeviceInterface()
{}
CMiscDeviceInterface::~CMiscDeviceInterface()
{}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
HRESULT CMiscDeviceNode::Init(LPCWSTR pszElemName)
{
HRESULT hr = _SetName(pszElemName);
if (SUCCEEDED(hr))
{
DEVINST devinst;
hr = _GetDeviceInstanceFromDevNode(pszElemName, &devinst);
if (SUCCEEDED(hr) && (S_FALSE != hr))
{
hr = _hwdevinst.Init(devinst);
}
}
return hr;
}
HRESULT CMiscDeviceNode::GetHWDeviceInst(CHWDeviceInst** pphwdevinst)
{
*pphwdevinst = &_hwdevinst;
return S_OK;
}
//static
HRESULT CMiscDeviceNode::Create(CNamedElem** ppelem)
{
HRESULT hres = S_OK;
*ppelem = new CMiscDeviceNode();
if (!(*ppelem))
{
hres = E_OUTOFMEMORY;
}
return hres;
}
///////////////////////////////////////////////////////////////////////////////
//
CMiscDeviceNode::CMiscDeviceNode()
{}
CMiscDeviceNode::~CMiscDeviceNode()
{}