setupapidll.h

reference about wireless design which is helpful to everyone

/************************************************************************
 *
 *  Module:       SetupApiDll.h
 *  Long name:    CSetupApiDll class
 *  Description:  handling of the setupapi.dll
 *
 *  Runtime Env.: Win32
 *  Author(s):    Guenter Hildebrandt, Udo Eberhardt
 *  Company:      Thesycon GmbH, Ilmenau
 ************************************************************************/

#ifndef _SetupApiDll_h_
#define _SetupApiDll_h_

// get setup API functions (only available in Win98 and later systems)
#include <setupapi.h>


//
// CSetupApiDll
//
class CSetupApiDll
{
public:

  // standard constructor
  CSetupApiDll();

  // destructor
  ~CSetupApiDll();


	// load setupapi.dll
  // returns TRUE if successful, FALSE otherwise
  BOOL Load();

	// release setupapi.dll
  void Release();


// implementation
protected:
	
	// init function pointers
	void InitPointers();


  // We have to repeat some prototypes from setupapi.h.
  // Unfortunately, the .h file does not define types for the functions.

  typedef
  WINSETUPAPI
  HDEVINFO 
  WINAPI
  F_SetupDiGetClassDevsA(
    CONST GUID * ClassGuid, 
    PCSTR *Enumerator, 
    HWND hwndParent, 
    DWORD Flags
    );

  typedef 
  WINSETUPAPI
  BOOL
  WINAPI
  F_SetupDiDestroyDeviceInfoList(
    HDEVINFO DeviceInfoSet
    );

  typedef 
  WINSETUPAPI
  BOOL 
  WINAPI
  F_SetupDiEnumDeviceInterfaces(
    HDEVINFO DeviceInfoSet,
    PSP_DEVINFO_DATA DeviceInfoData, 
    CONST GUID * InterfaceClassGuid,
    DWORD MemberIndex,
    PSP_DEVICE_INTERFACE_DATA DeviceInterfaceData
    );

  typedef
  WINSETUPAPI 
  BOOL 
  WINAPI
  F_SetupDiGetDeviceInterfaceDetailA(
    HDEVINFO DeviceInfoSet,
    PSP_DEVICE_INTERFACE_DATA DeviceInterfaceData,
    PSP_DEVICE_INTERFACE_DETAIL_DATA_A DeviceInterfaceDetailData, 
    DWORD DeviceInterfaceDetailDataSize,
    PDWORD RequiredSize, 
    PSP_DEVINFO_DATA DeviceInfoData 
    );

	// handle for DLL
  HMODULE mDllHandle;


  // function pointers
	// We make the pointers public to simplify access by external code.
public:
  F_SetupDiGetClassDevsA*              SetupDiGetClassDevs;
  F_SetupDiDestroyDeviceInfoList*      SetupDiDestroyDeviceInfoList;
  F_SetupDiEnumDeviceInterfaces*       SetupDiEnumDeviceInterfaces;
  F_SetupDiGetDeviceInterfaceDetailA*  SetupDiGetDeviceInterfaceDetail;

}; // class CSetupApiDll

#endif // _SetupApiDll_h_

/*************************** EOF **************************************/