Hi,
Take a look at the following book in the help:Framework > Presentation Layer > Smart Shapes
It contains all the information you need to construct a smart shape of your own.
Best Regards,Nevron Support Team
Hi Bhumi,
The gauge needles use "smart shape" technology, which is very similar to MS Visio shapes. This allows you actually define your own shapes and use them instead of the predefined ones. You can learn more about Nevron smart shapes here:
http://helpdotnetvision.nevron.com/Presentation_SmartShapes_Smart_Shapes_Overview.html