testusbtreedlg.h

列举出WINDOWS中所有的USB设备的一个小程序。很实用

// TestUSBTreeDlg.h : header file
//

#if !defined(AFX_TESTUSBTREEDLG_H__170372D8_4317_423F_ABE2_5C45E2B386BA__INCLUDED_)
#define AFX_TESTUSBTREEDLG_H__170372D8_4317_423F_ABE2_5C45E2B386BA__INCLUDED_

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

/////////////////////////////////////////////////////////////////////////////
// CTestUSBTreeDlg dialog

class CTestUSBTreeDlg : public CDialog
{
// Construction
public:
	CTestUSBTreeDlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
	//{{AFX_DATA(CTestUSBTreeDlg)
	enum { IDD = IDD_TESTUSBTREE_DIALOG };
	CTreeCtrl	m_UsbTree;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTestUSBTreeDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

public:
	void EnumAllUSBDevice();
	void EnumUSBHubPort(HTREEITEM hTreeParentItem, LPCTSTR szHubName);

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CTestUSBTreeDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnRefreshTree();
	afx_msg LRESULT OnDeviceChange( WPARAM, LPARAM);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_TESTUSBTREEDLG_H__170372D8_4317_423F_ABE2_5C45E2B386BA__INCLUDED_)