Add-in Express Excel Toys for VSTO (C#) 2.0

Add-in Express Toys VSTO is a free sample add-in that extends Microsoft Excel with some useful features.
Add-in Express Toys VSTO gives you an example of developing Excel add-ins, creating custom toolbars and controls, and accessing Excel objects.
With Add-in Express Toys VSTO you can:
- Build feature-rich add-ins for Microsoft Excel 2003, Excel 2007 and Excel 2010.
- Create advanced task panes for Excel 2003 - 2010.
- Develop custom Excel workbooks.
- Intercept keyboard shortcuts.
- Create custom toolbars, populate them with your controls, handle Excel events and any built-in command bar controls.
- Customize Excel 2007, 2010 Ribbon UI, build the Quick Access Toolbar and the Office Menu for Microsoft Excel 2007.