/// <summary>
        /// Initializes a new Windows Script engine instance with the specified list of supported file name extensions and synchronous invoker.
        /// </summary>
        /// <param name="progID">The programmatic identifier (ProgID) of the Windows Script engine class.</param>
        /// <param name="name">A name to associate with the instance. Currently this name is used only as a label in presentation contexts such as debugger user interfaces.</param>
        /// <param name="fileNameExtensions">A semicolon-delimited list of supported file name extensions.</param>
        /// <param name="flags">A value that selects options for the operation.</param>
        /// <param name="syncInvoker">An object that enforces thread affinity for the instance.</param>
        /// <remarks>
        /// The <paramref name="progID"/> argument can be a class identifier (CLSID) in standard
        /// GUID format with braces (e.g., "{F414C260-6AC0-11CF-B6D1-00AA00BBBB58}").
        /// </remarks>
        protected WindowsScriptEngine(string progID, string name, string fileNameExtensions, WindowsScriptEngineFlags flags, ISyncInvoker syncInvoker)
            : base(name, fileNameExtensions)
        {
            MiscHelpers.VerifyNonNullArgument(syncInvoker, nameof(syncInvoker));
            this.syncInvoker = syncInvoker;

            script = base.ScriptInvoke(() =>
            {
                activeScript = ActiveScriptWrapper.Create(progID, flags);
                engineFlags  = flags;

                if (flags.HasFlag(WindowsScriptEngineFlags.EnableDebugging) && ProcessDebugManagerWrapper.TryCreate(out processDebugManager))
                {
                    processDebugManager.CreateApplication(out debugApplication);
                    debugApplication.SetName(Name);

                    if (processDebugManager.TryAddApplication(debugApplication, out debugApplicationCookie))
                    {
                        sourceManagement = !flags.HasFlag(WindowsScriptEngineFlags.DisableSourceManagement);
                    }
                    else
                    {
                        debugApplication.Close();
                        debugApplication    = null;
                        processDebugManager = null;
                    }
                }

                activeScript.SetScriptSite(new ScriptSite(this));
                activeScript.InitNew();
                activeScript.SetScriptState(ScriptState.Started);
                return(WindowsScriptItem.Wrap(this, GetScriptDispatch()));
            });
        }
        /// <summary>
        /// Initializes a new JScript engine instance with the specified programmatic
        /// identifier, name, list of supported file name extensions, options, and synchronous
        /// invoker.
        /// </summary>
        /// <param name="progID">The programmatic identifier (ProgID) of the JScript engine class.</param>
        /// <param name="name">A name to associate with the instance. Currently this name is used only as a label in presentation contexts such as debugger user interfaces.</param>
        /// <param name="fileNameExtensions">A semicolon-delimited list of supported file name extensions.</param>
        /// <param name="flags">A value that selects options for the operation.</param>
        /// <param name="syncInvoker">An object that enforces thread affinity for the instance.</param>
        /// <remarks>
        /// The <paramref name="progID"/> argument can be a class identifier (CLSID) in standard
        /// GUID format with braces (e.g., "{F414C260-6AC0-11CF-B6D1-00AA00BBBB58}").
        /// </remarks>

        protected JScriptEngine(string progID, string name, string fileNameExtensions, WindowsScriptEngineFlags flags, ISyncInvoker syncInvoker)
            : base(progID, name, fileNameExtensions, flags, syncInvoker)
        {
            Execute(MiscHelpers.FormatInvariant("{0} [internal]", GetType().Name), InitScript);
        }
 /// <summary>
 /// Initializes a new JScript engine instance with the specified name, options, and
 /// synchronous invoker.
 /// </summary>
 /// <param name="name">A name to associate with the instance. Currently this name is used only as a label in presentation contexts such as debugger user interfaces.</param>
 /// <param name="flags">A value that selects options for the operation.</param>
 /// <param name="syncInvoker">An object that enforces thread affinity for the instance.</param>
 public JScriptEngine(string name, WindowsScriptEngineFlags flags, ISyncInvoker syncInvoker)
     : this("JScript", name, "js", flags, syncInvoker)
 {
 }
 /// <summary>
 /// Initializes a new JScript engine instance with the specified options.
 /// </summary>
 /// <param name="flags">A value that selects options for the operation.</param>
 /// <param name="syncInvoker">An object that enforces thread affinity for the instance.</param>
 public JScriptEngine(WindowsScriptEngineFlags flags, ISyncInvoker syncInvoker)
     : this(null, flags, syncInvoker)
 {
 }
 /// <summary>
 /// Initializes a new JScript engine instance with the specified name.
 /// </summary>
 /// <param name="name">A name to associate with the instance. Currently this name is used only as a label in presentation contexts such as debugger user interfaces.</param>
 /// <param name="syncInvoker">An object that enforces thread affinity for the instance.</param>
 public JScriptEngine(string name, ISyncInvoker syncInvoker)
     : this(name, WindowsScriptEngineFlags.None, syncInvoker)
 {
 }
 /// <summary>
 /// Initializes a new JScript engine instance.
 /// </summary>
 /// <param name="syncInvoker">An object that enforces thread affinity for the instance.</param>
 public JScriptEngine(ISyncInvoker syncInvoker)
     : this(null, syncInvoker)
 {
 }