Edit Bar controls: none.
This tool is used to create a new window for the current drawing.
You may use the drawing tools in any of the windows interchangeably. To make a window the current window click on the Title bar or on the main drawing area, or use Window > Windows, identify the window you wish to make current and click the Activate Window button.
Initially the visibility options of a new window are the same as the previous window, but the visibility options may be changed for each window independently.