private void _parent_ConversationRemoved(object sender, ConversationRemovedEventArgs e)
{
ConversationModel conversation = _conversations.Find(obj => obj.Id == e.ConversationId);
if (ConversationList.SelectedConversation.Id == e.ConversationId)
{
ConversationList.SelectedConversation = ConversationList.Conversations.First().Conversation;
}
ConversationList.RemoveConversationFromList(
ConversationList.Conversations.Find(obj => obj.Conversation == conversation));
}