The variables window is always available and allows you to quickly see the current state of variables in a routine. A data view window is a window dedicated to one particular variable (or part of a variable) allowing you to see its contents in isolation. There are four different types of data view: simple expression, array, structure and memory dump. In addition, from one data view window you can also open other. These five types of data view are described below. You do not have to worry about which view should be displayed. It is all handled by SDBG.
The method used to display a data view window depends upon the current window.