public ActiveScriptWrapper64(string progID, WindowsScriptEngineFlags flags)
        {
            // ReSharper disable SuspiciousTypeConversion.Global

            pActiveScript                 = RawCOMHelpers.CreateInstance <IActiveScript>(progID);
            pActiveScriptParse            = RawCOMHelpers.QueryInterface <IActiveScriptParse64>(pActiveScript);
            pActiveScriptDebug            = RawCOMHelpers.QueryInterface <IActiveScriptDebug64>(pActiveScript);
            pActiveScriptGarbageCollector = RawCOMHelpers.QueryInterfaceNoThrow <IActiveScriptGarbageCollector>(pActiveScript);
            pDebugStackFrameSniffer       = RawCOMHelpers.QueryInterfaceNoThrow <IDebugStackFrameSnifferEx64>(pActiveScript);

            activeScript                 = (IActiveScript)Marshal.GetObjectForIUnknown(pActiveScript);
            activeScriptParse            = (IActiveScriptParse64)activeScript;
            activeScriptDebug            = (IActiveScriptDebug64)activeScript;
            activeScriptGarbageCollector = activeScript as IActiveScriptGarbageCollector;
            debugStackFrameSniffer       = activeScript as IDebugStackFrameSnifferEx64;

            if (flags.HasFlag(WindowsScriptEngineFlags.EnableStandardsMode))
            {
                var activeScriptProperty = activeScript as IActiveScriptProperty;
                if (activeScriptProperty != null)
                {
                    object name;
                    activeScriptProperty.GetProperty(ScriptProp.Name, IntPtr.Zero, out name);
                    if (Equals(name, "JScript"))
                    {
                        object value = ScriptLanguageVersion.Standards;
                        activeScriptProperty.SetProperty(ScriptProp.InvokeVersioning, IntPtr.Zero, ref value);
                    }
                }

                if (!flags.HasFlag(WindowsScriptEngineFlags.DoNotEnableVTablePatching) && MiscHelpers.IsX86InstructionSet())
                {
                    HostItem.EnableVTablePatching = true;
                }
            }

            // ReSharper restore SuspiciousTypeConversion.Global
        }