#pragma once//CRT headers.#include <TCHAR.H>//windows platform headers.#include <WINDOWS.H>//msi headers.#pragma comment(lib,"msi.lib")#include <MSI.H>#include <MSIQUERY.H>INT APIENTRY _tWinMain(HINSTANCE,HINSTANCE,LPTSTR,INT){MSIHANDLE msiHandle=NULL;//create msi database.UINT openResult=MsiOpenDatabase(_T("Setup.msi"),MSIDBOPEN_CREATEDIRECT,&msiHandle);//create msil database failed.if(openResult != ERROR_SUCCESS){LPVOID formatMsg=NULL;MSIHANDLE errorCode=MsiGetLastErrorRecord();//format error code to string.FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,NULL,errorCode,MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT),(LPTSTR)&formatMsg,0,NULL);//output error message.MessageBoxEx(NULL,(LPTSTR)formatMsg,_T("tip window"),MB_OK,MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT));//free message buffer.LocalFree(formatMsg);formatMsg=NULL;return -1;}//commit msi database.UINT commitResult=MsiDatabaseCommit(msiHandle);if(commitResult != ERROR_SUCCESS){LPVOID formatMsg=NULL;MSIHANDLE errorCode=MsiGetLastErrorRecord();//format error code to string.FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,NULL,errorCode,MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT),(LPTSTR)&formatMsg,0,NULL);//output error message.MessageBoxEx(NULL,(LPTSTR)formatMsg,_T("tip window"),MB_OK,MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT));//free message buffer.LocalFree(formatMsg);formatMsg=NULL;return -1;}//close msi database handle.UINT closeResult=MsiCloseHandle(msiHandle);if(closeResult != ERROR_SUCCESS){LPVOID formatMsg=NULL;MSIHANDLE errorCode=MsiGetLastErrorRecord();//format error code to string.FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,NULL,errorCode,MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT),(LPTSTR)&formatMsg,0,NULL);//output error message.MessageBoxEx(NULL,(LPTSTR)formatMsg,_T("tip window"),MB_OK,MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT));//free message buffer.LocalFree(formatMsg);formatMsg=NULL;return -1;}return 0;}</SPAN>