getFieldNodeByConnectPointObject(Object pointObj) Return a canvas field node that contains the specified connection object,
or null if the field node cannot be found.
Parameters: pointObj - the connection object to be matched.
Creates a new AbstractCanvasMethoidNode object, with specified the
methoid node.
Parameters: methoidNode - the methoid node this canvas node repersents.
Return a canvas field node that contains the specified connection object,
or null if the field node cannot be found.
Parameters: pointObj - the connection object to be matched. a canvas field node that contains the specifiedconnection object, or null if the field node cannot be found.
Return a canvas field node that contains the specified point in its
bounding.
Parameters: point - the point to match a canvas field node that contains the specified point inits bounding.