编程实现加载和卸载驱动程序

//加载核心驱动BOOL loadKD(LPCTSTR DriverPath, LPCTSTR Servicename){BOOL bResult=true;SC_HANDLE hSCManager=NULL;SC_HANDLE hService=NULL;hSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );if ( hSCManager != NULL ){hService = CreateService(hSCManager,Servicename,Servicename,SERVICE_ALL_ACCESS,SERVICE_KERNEL_DRIVER,SERVICE_DEMAND_START,SERVICE_ERROR_IGNORE,DriverPath,NULL,NULL,NULL,NULL,NULL);if ( hService != NULL ){if ( StartService( hService, 0, NULL ) == 0 ){DeleteService(hService);bResult = false;}if ( CloseServiceHandle(hService) == 0 ){bResult = false;}}else{if ( GetLastError() == ERROR_SERVICE_EXISTS ){hService = OpenService( hSCManager, Servicename, SERVICE_ALL_ACCESS );if ( hService != NULL ){if ( StartService( hService, 0, NULL ) == 0 ){bResult = false;}if ( CloseServiceHandle(hService) == 0 ){bResult = false;}}else{bResult = false;}}else{bResult = false;}}if ( CloseServiceHandle(hSCManager) == 0 ){bResult = false;}}else{bResult = false;}return bResult;}//卸载核心驱动BOOL unloadKD(LPCTSTR ServiceName){BOOL bResult=true;SC_HANDLE hSCManager=NULL;SC_HANDLE hService=NULL;SERVICE_STATUS ServiceStatus;hSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );if ( hSCManager != NULL ){hService = OpenService( hSCManager, ServiceName, SERVICE_ALL_ACCESS );if ( hService != NULL ){if ( ControlService( hService, SERVICE_CONTROL_STOP, &ServiceStatus ) != 0 ){if ( DeleteService(hService) == 0 ){bResult = false;}}else{bResult = false;}if ( CloseServiceHandle(hService) == 0 ){bResult = false;}}else{bResult = false;}if ( CloseServiceHandle(hSCManager) == 0 ){bResult = false;}}else{bResult = false;}return bResult;}