/// <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);

            await SourceControlFileSelectorCommand.InitializeAsync(this);
        }
        /// <summary>Initializes the singleton instance of the command.</summary>
        /// <param name="package">Owner package, not null.</param>
        public static async Task InitializeAsync(AsyncPackage package)
        {
            // Switch to the main thread - the call to AddCommand in
            // SourceControlFileSelectorCommand's constructor requires the UI thread.
            await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync(package.DisposalToken);

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

            Instance = new SourceControlFileSelectorCommand(package, commandService);

            dte = await package.GetServiceAsync(typeof(DTE)) as DTE;

            dte2 = await package.GetServiceAsync(typeof(DTE)) as EnvDTE80.DTE2;
        }