namespace System.Windows.Controls.Primitives
{
    [ContentProperty("Child")]
    [DefaultEvent("Opened")]
    [DefaultProperty("Child")]
    [Localizability(LocalizationCategory.None)]
    public class Popup : FrameworkElement, IAddChild
    {
        [Bindable(true)]
        [Category("Layout")]
        [TypeConverter(typeof(LengthConverter))]
        public double VerticalOffset { get; set; }
    }
}