It exposes information of the difference in terms of Properties, Attributes, Events, etc. Component though the nappes usage of TypeDescriptor is to get metadata of an object, yet it also exposes features to extend the object on the fly. Let us now row few capabilities of Descriptors with a little information about its static..
Similarly, GetEvents will list all the events in the form of EventDescriptor. The code provided in this module can be used in different ways. Alternatively, you can use one of the low level functions dwting run only a part of the SIFT algorithm for instance, to compute the SIFT descriptors of custom keypoints.