private void TextBox_KeyDown_1(object sender, System.Windows.Input.KeyEventArgs e)
        {
            try
            {
                if (e.Key == Key.Enter)

                {
                    var list = VkApi.FindAudio(FindText.Text);
                    if (list == null)
                    {
                        return;
                    }
                    for (var i = 0; i < PlayListTabs.Items.Count; i++)
                    {
                        if ((string)((TabItem)PlayListTabs.Items[i]).Header == "Найденые...")
                        {
                            PlayListTabs.Items.Remove(PlayListTabs.Items[i]);
                            break;
                        }
                    }
                    NewPlaylist("Найденые...", list);
                    var t = (ScrollViewer)PlayListTabs.Template.FindName("ScrollViewerTab", PlayListTabs);
                    t.ScrollToHorizontalOffset(PlayListTabs.SelectedIndex * 110);
                }
            }
            catch (NetworkInformationException)
            {
                System.Windows.Forms.MessageBox.Show(@"Ошибка интернет соединения.");
            }
        }