namespace System.Windows.Controls
{
    public class Canvas : Panel
    {
        [AttachedPropertyBrowsableForChildren]
        [TypeConverter("System.Windows.LengthConverter, PresentationFramework, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, Custom=null")]
        public static double GetTop(UIElement element);
    }
}