These classes define a point by its x and y coordinates. For PhPoint the coordinates are expressed as integers, while for PhLPoint they are expressed as longs. The units of measure are pixels.
Also see PhPoint in the Photon documentation.
An integer or long specifying the number of pixels to the right (horizontally) from the upper-left corner of the containing widget.
An integer or long specifying the number of pixels down (vertically) from the upper-left corner of the containing widget.