Main Toolbar
Main toolbar is a 'function point' of the app which contains all the available controls.
- 1 - sets bold font style.
- 2 - sets italic font style.
- 3 - sets font (text) color.
- 4 - sets background color.
- 5 - sets text alignment.
- 6 - opens the formula bar.
- 7 - exports data from a spreadsheet table to a PDF document.
- 8 - exports data from a spreadsheet table to an Excel table.
- 9 - allows customizing worksheet appearance.