关于限次软件的制作.cpp

限制使用次数软件的制作关于限次软件的制作

// 关于限次软件的制作.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "关于限次软件的制作.h"
#include "关于限次软件的制作Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMyApp

BEGIN_MESSAGE_MAP(CMyApp, CWinApp)
	//{{AFX_MSG_MAP(CMyApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyApp construction

CMyApp::CMyApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CMyApp object

CMyApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMyApp initialization

BOOL CMyApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	unsigned char buffer[255]={0};
	unsigned long length;
	unsigned long type;
	HKEY hKey;

	RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\dm",&hKey);
	RegQueryValueEx(hKey,"Num",NULL,&type,buffer,&length);
	RegCloseKey(hKey);

	int Count;
	Count = atoi((const char*)buffer);
	if(Count == 0)
	{
		RegCreateKey(HKEY_LOCAL_MACHINE,"SOFTWARE\\dm",&hKey);
		RegSetValueEx(hKey,"Num",0,REG_SZ,(const unsigned char *)"5",strlen("5"));
		RegCloseKey(hKey);
		MessageBox(NULL,"最后用5次!","Hello",MB_OK);			
	}
	else if(Count == 1)
	{
		MessageBox(NULL,"请注册!","Hello",MB_OK);
		return true;
	}
	else
	{
		char buf[255]={0};
		Count -= 1;
		itoa(Count,buf,10);
		CString str;
		str.Format ("最后用%d次!",Count);
		MessageBox(NULL,str,"Hello",MB_OK);
		RegOpenKey(HKEY_LOCAL_MACHINE,"SOFTWARE\\dm",&hKey);
		RegSetValueEx(hKey,"Num",0,REG_SZ,(const unsigned char*)buf,strlen(buf));
		RegCloseKey(hKey);
	}	


	CMyDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}