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EJSC.Point findClosestPoint( interger x, integer y, boolean select, boolean sticky )
Given X and Y as screen pixel coordinates (not chart coordinates), this method will find and return the closest point in any of its series. Optionally, the point may be selected by sending true for the select parameter and displayed as either as a popup hint (i.e. when a user hovers over a point) by sending false for the sticky parameter or a sticky hint (i.e. a user clicks on a point) by sending true.