private void ChatPage_AvatarTapped(object sender, AppContactEventArgs e)
{
var parentFrame = (sender as Page).Parent as Frame;
if (parentFrame.Name == "AppMainShellFrame")
{
AppFrame.Navigate(typeof(ProfilePage), e.AppContact);
}
}
private void ContactsPage_SelectedAppContactChanged(object sender, AppContactEventArgs e)
{
AppFrame.Navigate(typeof(ChatPage), e.AppContact);
}