public SSSelectionAdorner(SSScreenShotCanvas adornedElement)
: base(adornedElement)
{
_pen = new Pen((Brush)Brushes.DarkGray, 1.0);
_pen.DashStyle = DashStyles.Solid;
_brush = (Brush) new SolidColorBrush(Colors.LightGray);
_brush.Opacity = 0.25;
_canvas = adornedElement;
}
public SSSelectionAdorner(SSScreenShotCanvas adornedElement, Point?start)
: this(adornedElement)
{
_start = start;
}