private void listBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Messages.Clear();
var conversationModel = (ConversationModel)e.AddedItems[0];
var massages = _common.GetMassagesByConversationId(conversationModel?.Id ?? 0).ToList();
foreach (var message in massages)
{
if (message == null)
{
continue;
}
Messages.Add(new MessageEventArgsModel
{
Id = message.Id,
Text = message.Text
});
}
textBox.ItemsSource = Messages;
}