Mono.Cairo 1.0.5000.0 2.0.0.0 System.ValueType Class defining a point represented by two double values for the x and y coordinates. gr.Rectangle ( new PointD (0, 0), 1, 1); Constructor To be added. To be added. Default constructor accepting a pair of coordinates in format. 1.0.5000.0 2.0.0.0 Property System.Double Access to the X coordinate. The X coordinate 1.0.5000.0 2.0.0.0 Property System.Double Access to the Y coordinate. The Y coordinate 1.0.5000.0 2.0.0.0