private void tweetThumbnail1_ThumbnailImageSearchClick(object sender, ThumbnailImageSearchEventArgs e)
{
this.OpenUriAsync(e.ImageUrl);
}
private async void tweetThumbnail1_ThumbnailImageSearchClick(object sender, ThumbnailImageSearchEventArgs e)
{
await this.OpenUriInBrowserAsync(e.ImageUrl);
}