www.gusucode.com > VC++ 实现试用版软件限制使用次数制作-源码程序 > VC++ 实现试用版软件限制使用次数制作-源码程序/code/关于限次软件的制作.cpp
// 关于限次软件的制作.cpp : Defines the class behaviors for the application. // Download by http://www.NewXing.com #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; }