private async void BtUnPin_Click(object sender, RoutedEventArgs e)
{
//await NotificationSecondaryTileHelper.UnPinSecondaryTileWithImage("mat1");
await NotificationSecondaryTileHelper.UnPinSecondaryTileWithImage("mats");
}
private async void BtPin_Click(object sender, RoutedEventArgs e)
{
//await NotificationSecondaryTileHelper.PinSecondaryTileWithImage("mat1", GetNotificationTile());
await NotificationSecondaryTileHelper.PinSecondaryTileWithImages("mats", GetNotificationTileList());
}
