64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
// DevicesEnum.h: Definition of the CDevicesEnum class
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
#if !defined(AFX_DEVICESENUM_H__F9048FCD_C525_4BDD_AB79_018DEE3B71E8__INCLUDED_)
|
|
#define AFX_DEVICESENUM_H__F9048FCD_C525_4BDD_AB79_018DEE3B71E8__INCLUDED_
|
|
|
|
#if _MSC_VER > 1000
|
|
#pragma once
|
|
#endif // _MSC_VER > 1000
|
|
|
|
#include "resource.h" // main symbols
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CDevicesEnum
|
|
|
|
class CDevice;
|
|
|
|
class ATL_NO_VTABLE CDevicesEnum :
|
|
public IDevicesEnum,
|
|
public CComObjectRootEx<CComSingleThreadModel>
|
|
{
|
|
protected:
|
|
CDevice** pDevices;
|
|
DWORD Count;
|
|
DWORD Position;
|
|
|
|
public:
|
|
BOOL CopyDevices(CDevice **pArray,DWORD Count);
|
|
|
|
CDevicesEnum() {
|
|
pDevices = NULL;
|
|
Count = 0;
|
|
Position = 0;
|
|
}
|
|
~CDevicesEnum();
|
|
|
|
BEGIN_COM_MAP(CDevicesEnum)
|
|
COM_INTERFACE_ENTRY(IEnumVARIANT)
|
|
COM_INTERFACE_ENTRY(IDevicesEnum)
|
|
END_COM_MAP()
|
|
DECLARE_NOT_AGGREGATABLE(CDevicesEnum)
|
|
|
|
// IDevicesEnum
|
|
public:
|
|
STDMETHOD(Next)(
|
|
/*[in]*/ ULONG celt,
|
|
/*[out, size_is(celt), length_is(*pCeltFetched)]*/ VARIANT * rgVar,
|
|
/*[out]*/ ULONG * pCeltFetched
|
|
);
|
|
STDMETHOD(Skip)(
|
|
/*[in]*/ ULONG celt
|
|
);
|
|
|
|
STDMETHOD(Reset)(
|
|
);
|
|
|
|
STDMETHOD(Clone)(
|
|
/*[out]*/ IEnumVARIANT ** ppEnum
|
|
);
|
|
};
|
|
|
|
#endif // !defined(AFX_DEVICESENUM_H__F9048FCD_C525_4BDD_AB79_018DEE3B71E8__INCLUDED_)
|