namespace System.Windows.Controls
{
    [Localizability(LocalizationCategory.ComboBox)]
    [StyleTypedProperty(Property = "ItemContainerStyle", StyleTargetType = typeof(ComboBoxItem))]
    [TemplatePart(Name = "PART_EditableTextBox", Type = typeof(TextBox))]
    [TemplatePart(Name = "PART_Popup", Type = typeof(Popup))]
    public class ComboBox : Selector
    {
        protected virtual void OnDropDownOpened(EventArgs e);
    }
}