the following example code is also as example project available

       C#      VB
Background Colors and Borders for Cells Example01 Example01
Font Attributes and Alignment for Cells Example02 Example02
Using Numberformats Example03 Example03
Shapes, WordArts, Pictures, 3D-Effects Example04 Example04
Working with Charts Example05 Example05
Dialogs in Excel Example06 Example06
Attach VBA Code to a workbook Example07 Example07
Using events Example08 Example08
Customize classic UI and recieve click events Example09 Example09

the following projects are also available in example folder

COMAddin example with classic ui
COMAddin example with ribbon ui

Last edited May 14, 2012 at 5:04 AM by SebastianDotNet, version 16