static bool delTestKeybyWinAPI() { TCHAR cadKey[MAX_PATH]; _tcscpy( cadKey, _T( "Software\\Autodesk\\AutoCAD\\R18.0\\ACAD-8001:804\\Applications" ) ); DWORD dwAccess = KEY_ALL_ACCESS; //判断是否64位 if( IsWow64() ) { dwAccess |= KEY_WOW64_64KEY; } CRegistry reg; reg.Clear( HKEY_LOCAL_MACHINE, cadKey, _T( "CBM" ), dwAccess ); return true; }