isCoordsInner(x: Number, y: Number);
x. X coordinate of the point.
y. Point ordinate.
The isCoordsInner method determines if the point with specified coordinate belongs to specified tree map item.
This method returns the following values:
true. The point with the given coordinate belongs to specified tree map item.
false. The point with the given coordinate does not belong to this item.
The example of use is given in the page with description of the TreeMap.selectItem method.