/// <inheritdoc />
        public void OpenToolWindow(string id, ToolWindow window)
        {
            if (id == null)
                throw new ArgumentNullException("id");
            if (window == null)
                throw new ArgumentNullException("window");

            int internalId = GenerateWindowId(id);
            var pane = (ShellToolWindowPane) shell.ShellPackage.FindToolWindow(typeof(ShellToolWindowPane), internalId, true);
            if (pane == null)
                throw new ShellException("Could not create an instance of the Shell tool window pane.");

            pane.ToolWindowContainer.ToolWindow = window;
            window.Show();
        }
        /// <inheritdoc />
        public void OpenToolWindow(string id, ToolWindow window)
        {
            if (id == null)
            {
                throw new ArgumentNullException("id");
            }
            if (window == null)
            {
                throw new ArgumentNullException("window");
            }

            int internalId = GenerateWindowId(id);
            var pane       = (ShellToolWindowPane)shell.ShellPackage.FindToolWindow(typeof(ShellToolWindowPane), internalId, true);

            if (pane == null)
            {
                throw new ShellException("Could not create an instance of the Shell tool window pane.");
            }

            pane.ToolWindowContainer.ToolWindow = window;
            window.Show();
        }