private async void AppBarButton_Click_1(object sender, RoutedEventArgs e)
{
var result = await PostManagement.PostActivity(contentTextBox.Text, selectedItems, link, selectedEmoticon, reshareId, place, imageContent);
if (result == 0)
{
if (operation != null)
{
operation.ReportCompleted();
}
if (this.Frame.CanGoBack)
{
this.Frame.GoBack();
}
}
else
{
var messageDialog = new MessageDialog("Cannot into. Contact with developer.");
await messageDialog.ShowAsync();
}
}