usbinfo.h

这是一个USB编程例子

// UsbInfo.h: interface for the UsbInfo class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_USBINFO_H__ABBACEA9_0E19_4D86_AE05_EAD73BE5811B__INCLUDED_)
#define AFX_USBINFO_H__ABBACEA9_0E19_4D86_AE05_EAD73BE5811B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "DDK\\cfgmgr32.h"
#include "HoolaDevice.h"
struct SUsbDeviceInfo{
	CString m_strDevName;		//设备名
	CString m_strLocInfo;		//本地化信息
    CString m_strVidPid;		//VerdonID 
    CString m_strManufacturing;	//制造商信息
    CString m_strDevDesc;		//设备描述
    CString m_strFriendlyName;	//设备的友好名
	__int64	m_llFreeSpace;
	__int64	m_llTotalSpace;
};
class CUsbInfo : public CHoolaDevice
{
public:
    CUsbInfo();
    ~CUsbInfo();
public:	
	CTreeCtrl *m_pTreeCtrl;
    void SetDevName(CString strDevName);
    void EnumDevices();
protected:
    void RetrieveSubNodes(DEVINST parent, DEVINST sibling, DEVNODE dn,HTREEITEM hTreeItem);
    CString GetDeviceName(DEVNODE DevNode);
    BOOL EnumDeviceProperties(DEVNODE dn, BOOL hub);
    void EnumMassStorage(DEVNODE dn);
    CString GetProperty(DEVNODE dn, ULONG Property);
private:
    CString m_strToCmp;
    BOOL	m_bIsFound;
    HMACHINE m_hMachine;
};

#endif // !defined(AFX_USBINFO_H__ABBACEA9_0E19_4D86_AE05_EAD73BE5811B__INCLUDED_)