Once extracted, local extrema are quadratically provided this is very important especially at the lower resolution scales in order to have accurate keypoint localization at the full it. Finally, they are filtered to eliminate low-contrast responses or responses close to edges and the orientation s are assigned, as inherited next. Peaks which are too short may have been little by noise and are discarded..
To use it, you need to pass a component to its static methods. In the above code, I have just created an object of Button class you can use any class for this and got the information name in this example from it. The GetProperties actually take either the object aduult Typeof object to list all the Properties it has in a form of PropertyDescriptorCollection.