Answer:
The answer is "Developing the custom control for the user interface"
Explanation:
The major difference between customized control & user control would be that it inherit throughout the inheritance tree at different levels. Usually, a custom power comes from the system. Windows. UserControl is a system inheritance.
Using accuracy up is the major reason for designing a custom UI control. Developers must know how to use the API alone without reading the code for your component. All public methods and features of a custom control will be included in your API.
Hard disks, CDs, and flash drives are all storage mediums.
C: bar graph
bar graphs are used to track changes over time, so I would say that C is your best bet