Hello Vishi,
There was an answer to another Developer Exchange question, which answers your question, too. Here it is:
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RNAME=ViewQuestion&HOID=50650000000800000078480000&ECategory=LabWindows%2FCVI
Also, I'd like to thank you for all the great answers you've posted to other developers' questions.
Mika Fukuchi
Application Engineer
National Instruments