public void Execute(object parameter)
{
Contact c = (Contact)parameter;
Messages MessagePage = new Messages(c);
App.Current.MainWindow = MessagePage;
MessagePage.Show();
}
private void toMessages(object sender, RoutedEventArgs e)
{
var item = (sender as FrameworkElement).DataContext;
int index = ContactListView.Items.IndexOf(item);
int contactIndex = Contacts.ElementAt(index).UserId;
Console.WriteLine("Index of item clicked messages: " + contactIndex);
Messages newMessageWpf = new Messages(contactIndex);
newMessageWpf.Show();
}