How to combine many cells of Excel together using Rhino script

hi every one, could anyone help me on this? as we know we can use Rhino to write strings into excel cell, but if we want to combine some cells together than write string into it or even past an image into these combined cells, how can we do this?

A quick Google search yielded this:

http://www.visualbasicscript.com/How-to-Merge-Cells-with-VBS-m440.aspx

Does this help?

thank you very much for your kindly helps.