contains
Checks whether this collection contains a ClippingPolygon equal to the given ClippingPolygon.
Return
true if this collection contains the ClippingPolygon, false otherwise.
Parameters
polygon
The ClippingPolygon to check for.
Checks whether this collection contains a ClippingPolygon equal to the given ClippingPolygon.
true if this collection contains the ClippingPolygon, false otherwise.
The ClippingPolygon to check for.