public WindowlessRectangle()
{
myColor = new DependencyPropertyStorage<Color>(this, Color.Transparent, new DependencyPropertyChangedEvent(ColorChanged));
myFilled = new DependencyPropertyStorage<bool>(this, true, new DependencyPropertyChangedEvent(FilledChanged));
myRectangleWidth = new DependencyPropertyStorage<double>(this, 1.0, new DependencyPropertyChangedEvent(RectangleWidthChanged));
}