wann to use word dictionary in another apllication ?

hi all ,

i creating C# application in that i m using hookup keyboar by C#.

i m reading the key entered by user . as soon as the user write something on
notepad and enter space , whn space comes i wann to send that word to word
dictionary

i m using simple word.dll in my application and trying to create the
dictionary option there with
Word.Application = new Word.Application(); // i m getting exception here

my exception is lik this
" Retrieving the COM class factory for component with CLSID
{000209FF-0000-0000-C000-000000000046} failed due to the following error:
8001010d.
"

my problm is tat . can i use the word dictionary with the C# simpl keyboard
hookup ?

wats wrong m i doing here ?

--
Aniruddha