Steps:
1) Launch the RichTextEditor
2) Clear the existing contents or open a new file (using File-> New)
3) Insert a table of any dimensions for ex: 2x2
4) Delete the above added table
5) Now try to insert a new table of any dimensions (For ex: 2x2)
6) You will get the following exception when you run the project using vs2010
Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
7) In the demo application , you will see a Form1 error pop up opens up and makes the RichTextEditor completely blank