private void btnAddFlat_OnClick(object sender, RoutedEventArgs e)
{
FlatWindow flatWindow = new FlatWindow(_context);
flatWindow.Show();
}
private void BtnEditFlat_OnClick(object sender, RoutedEventArgs e)
{
FlatWindow flatWindow = new FlatWindow(_context, (Flat)FlatControlNew.flatListView.SelectedItem);
flatWindow.Show();
}
