csetupdi.hpp

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// Helper class with SetupDi.. fns
#ifndef _CSETUPDI_HPP
#define _CSETUPDI_HPP

#include <windows.h>  
#include <setupapi.h> // for SetupDiXxx functions.
#include <newdev.h>
#include "CMemory.hpp"
#include "CString.hpp"

class CDeviceInfoList {
protected:
	HDEVINFO DeviceInfoSet;	// Handle to the Set

public:

	// Create a Device Information Set with all present devices.
	CDeviceInfoList() : DeviceInfoSet(INVALID_HANDLE_VALUE) {
		DeviceInfoSet = SetupDiGetClassDevs(NULL,			// All Classes
							0,
							0, 
							DIGCF_ALLCLASSES | DIGCF_PRESENT ); // All devices present on system
	}

	// To know if the Query is open
	bool IsOpen() const { return (DeviceInfoSet!=INVALID_HANDLE_VALUE); }

	// To enum the Device Info
	bool EnumDeviceInfo(ULONG i,SP_DEVINFO_DATA& DeviceInfoData) {
		return SetupDiEnumDeviceInfo(DeviceInfoSet,i,&DeviceInfoData)==TRUE;
	}

	// To Get the Device registry Hardware IDs.
	CMemory GetDeviceRegistryHardwareID(SP_DEVINFO_DATA& DeviceInfoData);

	// To call the class installer/uninstaller
	bool CallClassInstaller(UINT code,SP_DEVINFO_DATA& DeviceInfoData) {
		return SetupDiCallClassInstaller(code, DeviceInfoSet,&DeviceInfoData)==TRUE;
	}
	
	// To release a Query
	~CDeviceInfoList() { if (IsOpen()) SetupDiDestroyDeviceInfoList(DeviceInfoSet); }
};

#endif