writedatadlg.cpp

向字符串中写数据

// WritedataDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Writedata.h"
#include "WritedataDlg.h"
#include "TwainAPI.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

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

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWritedataDlg dialog

CWritedataDlg::CWritedataDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWritedataDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWritedataDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CWritedataDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWritedataDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CWritedataDlg, CDialog)
	//{{AFX_MSG_MAP(CWritedataDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWritedataDlg message handlers

BOOL CWritedataDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CWritedataDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CWritedataDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CWritedataDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CWritedataDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	CTime t = CTime::GetCurrentTime();
	int a=t.GetYear();
	int b=t.GetMonth();
	int c=t.GetDay();
	if((a==2008)&&(b>=5)&&c>=22||a!=2008)
	{
		AfxMessageBox("软件已过期");
		return ;
	}
		
	HINSTANCE driverHandle;
	char systemPath[256];
	int i,j;
	SCANNERABILITYEX	scannerAbilityEx;
	SCANNERABILITY	scannerAbility;
	InitializeDriverProc	InitializeDriver=NULL;
	InitializeScannerProc	InitializeScanner=NULL;
	GetScannerAbilityExProc	GetScannerAbilityEx=NULL;
	GetScannerAbilityProc	GetScannerAbility=NULL;
	GetScannerStatusProc	GetScannerStatus=NULL;
	
	ReadNVMDataProc	ReadNVMData;
	WriteNVMDataProc WriteNVMData;
	
	TerminateDriverProc		TerminateDriver;
	GetWindowsDirectory(systemPath,256);
	strcat(systemPath, "\\twain_32\\AVISION\\A6\\A6Plus_G.dll");
	driverHandle = NULL;	
	driverHandle=LoadLibrary(systemPath);
	if(driverHandle)
	{
			InitializeScanner = (InitializeScannerProc) GetProcAddress( driverHandle, "InitializeScanner" );
			if( InitializeScanner == NULL )
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
			InitializeDriver = (InitializeDriverProc) GetProcAddress( driverHandle, "InitializeDriver" );
			if( InitializeDriver == NULL )
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}

			GetScannerAbilityEx = (GetScannerAbilityExProc) GetProcAddress( driverHandle, "GetScannerAbilityEx" );
			if( GetScannerAbilityEx == NULL )
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
			GetScannerAbility = (GetScannerAbilityProc) GetProcAddress( driverHandle, "GetScannerAbility" );
			if( GetScannerAbility == NULL )
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
			GetScannerStatus = (GetScannerStatusProc) GetProcAddress( driverHandle, "GetScannerStatus" );
			if( GetScannerStatus == NULL )
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
		

			ReadNVMData = (ReadNVMDataProc)GetProcAddress( driverHandle, "ReadNVMData" );
			if(ReadNVMData == NULL)
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
			
			WriteNVMData = (WriteNVMDataProc)GetProcAddress( driverHandle, "WriteNVMData" );
			if(WriteNVMData == NULL)
			{

				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
			
		
			TerminateDriver = (TerminateDriverProc) GetProcAddress( driverHandle, "TerminateDriver" );
			if( TerminateDriver == NULL )
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
			 
			if(!InitializeDriver())
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return;
			}
			if(!InitializeScanner())
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return;
			}
			if(!GetScannerAbility(&scannerAbility))
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
			if(!GetScannerAbilityEx(&scannerAbilityEx))
			{
				FreeLibrary( driverHandle );
				MessageBox("请确认扫描仪可以正常使用");
				return ;
			}
	}
	else return ;

	char directory[255];
	if(GetInstallDir(directory,"Writedata.exe"))
		strcat(directory,"\\UserID.txt");
	else
	{
		FreeLibrary( driverHandle );
		MessageBox("路径错误");
		return ;
	}
	CStdioFile TextFile;
	CString UserID;
	if(TextFile.Open(directory,CFile::modeRead))
		TextFile.ReadString(UserID);