static bool IsViewStateValid(PointCollection locationPts) { return locationPts.All<Point>((p) => { return p.X.IsNoLessThan(0) && p.Y.IsNoLessThan(0); }); }
static bool IsViewStateValid(PointCollection locationPts) { return locationPts.All<Point>((p) => { return p.X.IsNoLessThan(0) && p.Y.IsNoLessThan(0); }); }