public Pad(Chart chart, int x1, int x2, int y1, int y2) { this.drawGrid = true; this.chart = chart; this.SetCanvas(x1, x2, y1, y2); this.primitives = ArrayList.Synchronized(new ArrayList()); this.notDatePrimitives = new ArrayList(); this.datePrimitives = new SortedRangeList(); this.F3nJMka9IZ = new SortedRangeList(); this.xFrJQlHpbJ = new SortedRangeList(true); }