private static void TransferItems(MetroComboBox source, MetroComboBox target)
{
if (source.Items.Count == 0)
{
return;
}
var selectedItem = source.SelectedItem;
source.SelectedItem = null;
for (int i = source.Items.Count - 1; i >= 0; i--)
{
var item = source.Items[i];
source.Items.Remove(item);
target.Items.Add(item);
}
target.SelectedItem = selectedItem;
}
private void ApplyFrozenImageToClone(MetroComboBox clone)
{
// Without the dispatch, the image doesn't show up.
Dispatcher.BeginInvoke(new Action <MetroComboBox, MetroComboBox>(ApplyFrozenImage), DispatcherPriority.ContextIdle, this, clone);
}