ChartDirector Ver 4.1 (PHP Edition Edition)
WebChartViewer.getViewPortTop
Usage
getViewPortTop()
Description
Gets the position of the top side of the view port.
The position of the view port top side is its distance from the top side of the underlying surface, as a fraction of the height of the underlying surface. It should be between 0 and 1.
Arguments
None
Return Value
The position of the top side of the view port.
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