Look at the figure of the Debug window. The Debug window displays the sequence of events and reactions in the system.

Here are the features of the Debug window:
- always on top;
- the size of the Debug window is changed using the mouse;
- information on event or reaction can be copied to the Windows clipboard and then used in programs;
- events and reactions can be filtered in the Debug window;
- events and reactions can be highlighted in the Debug window;
- it is possible to search for events or reactions in the Debug window.
Regular expressions can be used in order to highlight and filter messages in the Debug window.