/// <inheritdoc />
        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initialization code that rely on services provided by VisualStudio.
        /// </summary>
        /// <param name="cancellationToken">A cancellation token to monitor for initialization cancellation, which can occur when VS is shutting down.</param>
        /// <param name="progress">A provider for progress updates.</param>
        /// <returns>A task representing the async work of package initialization, or an already completed task if there is none. Do not return null from this method.</returns>
        protected override async Task InitializeAsync(CancellationToken cancellationToken, IProgress <ServiceProgressData> progress)
        {
            // When initialized asynchronously, the current thread may be a background thread at this point.
            // Do any initialization that requires the UI thread after switching to the UI thread.
            await JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);

            //Create error list provider for the package
            ErrorListProvider = new ErrorListProvider(this);

            //Initialize output window
            if (!(GetGlobalService(typeof(SVsOutputWindow)) is IVsOutputWindow outWindow))
            {
                throw new Exception("Can't get the output window service");
            }
            var          customOutputPaneGuid  = new Guid(OutputPaneGuidString);
            const string customOutputPaneTitle = "RAD Projects Extension";

            outWindow.CreatePane(ref customOutputPaneGuid, customOutputPaneTitle, 1, 1);

            outWindow.GetPane(ref customOutputPaneGuid, out var customPane);
            OutputWindow = customPane;
            Output("RAD Projects Extension init", true);

            //Initialize commands
            await RadProjectsExtensionCommands.InitializeAsync(this);
        }
        /// <summary>
        /// Initialize commands (called form <see cref="RadProjectsExtensionPackage.InitializeAsync"/>)
        /// Get the MemuCommand and DTE services and creates the command handler <see cref="Instance"/>
        /// </summary>
        /// <param name="package">Package the command handler belongs to</param>
        /// <returns>Async task</returns>
        public static async Task InitializeAsync(RadProjectsExtensionPackage package)
        {
            // Switch to the main thread - the call to AddCommand in RadSolutionCommand's constructor requires
            // the UI thread.
            await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync(package.DisposalToken);

            var commandService = await package.GetServiceAsync(typeof(IMenuCommandService)) as OleMenuCommandService;

            var dteService = await package.GetServiceAsync(typeof(EnvDTE.DTE)) as DTE2;

            Instance = new RadProjectsExtensionCommands(package, commandService, dteService);
        }