namespace System.Windows
{
    [RuntimeNameProperty("Name")]
    [StyleTypedProperty(Property = "FocusVisualStyle", StyleTargetType = typeof(Control))]
    [UsableDuringInitialization(true)]
    [XmlLangProperty("Language")]
    public class FrameworkElement : UIElement, ISupportInitialize, IFrameworkInputElement, IInputElement, IQueryAmbient
    {
        public Thickness Margin { get; set; }
    }
}