hidgetdlg.h

這個程序列使用一些小技巧來讀取一個手寫板的數據。這個手寫板是從市面上買回來的﹐沒有修改任何硬體﹐只須接上主機﹐啟動程式﹐用手寫板書寫﹐這個程序就會顯示從手寫板上輸出的數據

// HIDGetDlg.h : header file
//

#if !defined(AFX_HIDGETDLG_H__06279BD6_C9D8_47F4_9544_F37E7D44F13A__INCLUDED_)
#define AFX_HIDGETDLG_H__06279BD6_C9D8_47F4_9544_F37E7D44F13A__INCLUDED_

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

/////////////////////////////////////////////////////////////////////////////
// CHIDGetDlg dialog

extern "C" {
#include "Hidsdi.h"
#include "SetupAPI.h"
#include "HidUsage.h"
#include "HidPi.h"
}

class CHIDGetDlg : public CDialog
{
// Construction
public:
	void SetReadThreadHWND(HWND hWnd);
	void Show(CString str, CString s);
	void Show(CString str, long n);
	CHIDGetDlg(CWnd* pParent = NULL);	// standard constructor

	HANDLE m_hReadThreadCreated;
	HWND m_hReadThread;
	
// Dialog Data
	//{{AFX_DATA(CHIDGetDlg)
	enum { IDD = IDD_HIDGET_DIALOG };
	CEdit	m_edData;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CHIDGetDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	virtual LRESULT DefWindowProc(UINT message, WPARAM wParam, LPARAM lParam);
	//}}AFX_VIRTUAL

// Implementation
protected:
	void CreateReadThread();
	void GetDeviceHandle();
	void Clear();
	HANDLE GetDeviceHandle(GUID guid, HANDLE hDev, DWORD wDevice);
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CHIDGetDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnClose();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_HIDGETDLG_H__06279BD6_C9D8_47F4_9544_F37E7D44F13A__INCLUDED_)