public static void SizeGeometry(PathGeometry pg, Size size)
{
if (size.Height > 0 && size.Height > 0)
{
PathFigure[] sizeFigures =
{
new PathFigure(new Point(size.Width, size.Height), Enumerable.Empty<PathSegment>(), true),
new PathFigure(new Point(0,0), Enumerable.Empty<PathSegment>(), true),
};
var newGeo = new PathGeometry(sizeFigures.Concat(pg.Figures), pg.FillRule, null);//pg.Transform do not add transform here, it will recalculate all the Points
pg.Clear();
pg.AddGeometry(newGeo);
//return new PathGeometry(sizeFigures.Concat(pg.Figures), pg.FillRule, pg.Transform);
}
}
