Source code of Windows XP (NT5)
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#ifndef __NmSysInfo_h__
#define __NmSysInfo_h__
#include "SDKInternal.h"
#include "resource.h"
/////////////////////////////////////////////////////////////////////////////
// CNmSysInfoObj
class ATL_NO_VTABLE CNmSysInfoObj :
public CComObjectRootEx<CComSingleThreadModel>,
public CComCoClass<CNmSysInfoObj, &CLSID_NmSysInfo>,
public IConnectionPointContainerImpl<CNmSysInfoObj>,
public IConnectionPointImpl<CNmSysInfoObj, &IID_INmSysInfoNotify, CComDynamicUnkArray>,
public IMarshal,
public INmSysInfo,
public IInternalSysInfoObj
{
CComPtr<IInternalConfExe> m_spConfHook;
DWORD m_dwID;
public:
DECLARE_REGISTRY_RESOURCEID(IDR_NMSYSINFO)
DECLARE_NOT_AGGREGATABLE(CNmSysInfoObj)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CNmSysInfoObj)
COM_INTERFACE_ENTRY(INmSysInfo)
COM_INTERFACE_ENTRY(IConnectionPointContainer)
COM_INTERFACE_ENTRY(IMarshal)
COM_INTERFACE_ENTRY(IInternalSysInfoObj)
END_COM_MAP()
BEGIN_CONNECTION_POINT_MAP(CNmSysInfoObj)
CONNECTION_POINT_ENTRY(IID_INmSysInfoNotify)
END_CONNECTION_POINT_MAP()
HRESULT FinalConstruct();
void FinalRelease();
///////////////////////////////////////////////
// INmSysInfo methods
STDMETHOD(IsInstalled)(void);
STDMETHOD(GetProperty)(NM_SYSPROP uProp, BSTR *pbstrProp);
STDMETHOD(SetProperty)(NM_SYSPROP uProp, BSTR bstrName);
STDMETHOD(GetUserData)(REFGUID rguid, BYTE **ppb, ULONG *pcb);
STDMETHOD(SetUserData)(REFGUID rguid, BYTE *pb, ULONG cb);
STDMETHOD(GetNmApp)(REFGUID rguid,BSTR *pbstrApplication, BSTR *pbstrCommandLine, BSTR *pbstrDirectory);
STDMETHOD(SetNmApp)(REFGUID rguid,BSTR bstrApplication, BSTR bstrCommandLine, BSTR bstrDirectory);
STDMETHOD(GetNmchCaps)(ULONG *pchCaps);
STDMETHOD(GetLaunchInfo)(INmConference **ppConference, INmMember **ppMember);
//--------------------------------------------------------------------------
// IInternalSysInfoObj
STDMETHOD(SetID)(DWORD ID) { m_dwID = ID; return S_OK; }
/////////////////////////////////////////////////////////////////////////////////
// IMarshal methods
STDMETHOD(GetUnmarshalClass)(
/* [in] */ REFIID riid,
/* [unique][in] */ void *pv,
/* [in] */ DWORD dwDestContext,
/* [unique][in] */ void *pvDestContext,
/* [in] */ DWORD mshlflags,
/* [out] */ CLSID *pCid) { *pCid = CLSID_NmSysInfo; return S_OK; };
STDMETHOD(GetMarshalSizeMax)(
/* [in] */ REFIID riid,
/* [unique][in] */ void *pv,
/* [in] */ DWORD dwDestContext,
/* [unique][in] */ void *pvDestContext,
/* [in] */ DWORD mshlflags,
/* [out] */ DWORD *pSize) { *pSize = sizeof(ULONG); return S_OK; }
STDMETHOD(MarshalInterface)(
/* [unique][in] */ IStream *pStm,
/* [in] */ REFIID riid,
/* [unique][in] */ void *pv,
/* [in] */ DWORD dwDestContext,
/* [unique][in] */ void *pvDestContext,
/* [in] */ DWORD mshlflags)
{
// Since we don't know the endian-ness of the other side,
// we use a private wire format for custom marshaling here.
//
BYTE buf[sizeof(DWORD)];
BYTE * pByte = buf;
*pByte++ = (BYTE)(m_dwID);
*pByte++ = (BYTE)(m_dwID >> 8);
*pByte++ = (BYTE)(m_dwID >> 16);
*pByte++ = (BYTE)(m_dwID >> 24);
pStm->Write(buf, sizeof(buf), NULL);
return S_OK;
}
STDMETHOD(UnmarshalInterface)(
/* [unique][in] */ IStream *pStm,
/* [in] */ REFIID riid,
/* [out] */ void **ppv)
{
// Since we don't know the endian-ness of the other side,
// we use a private wire format for custom marshaling here.
//
BYTE buf[sizeof(DWORD)];
pStm->Read(buf, sizeof(buf), NULL);
BYTE * pByte = buf;
m_dwID = (DWORD)(*pByte++);
m_dwID += (DWORD)(*pByte++ << 8);
m_dwID += (DWORD)(*pByte++ << 16);
m_dwID += (DWORD)(*pByte++ << 24);
return QueryInterface(riid, ppv);
}
STDMETHOD(ReleaseMarshalData)(
/* [unique][in] */ IStream *pStm) { return S_OK; }
STDMETHOD(DisconnectObject)(
/* [in] */ DWORD dwReserved) { return S_OK; }
///////////////////////////////////////////////
// Notifications and callbacks
public:
///////////////////////////////////////////////
// Helper Fns
HRESULT _EnsureConfHook(void);
static bool GetKeyDataForProp(NM_SYSPROP uProp, HKEY * phkey, LPTSTR * ppszSubKey, LPTSTR * ppszValue, bool *pfString);
private:
static void _GetSzKeyForGuid(LPTSTR psz, REFGUID rguid);
};
#endif // __NmSysInfo_h__