Deployment of dll along with project

Question

I have a question regarding Deployment of Dll along with Project using Visual Studio

My scenario is that i have an application project for barcode scanning in visual studio. I can deploy the project without any problems. But i have to manually copy a dll named MCSSLibNet.dll (which is the barcode library for .net) in Windows directory of device.

Is there any way i can deploy the dll along with deployment of Application. Because i have 500 Devices where i have to deploy it. And copying a file seperately on every device is a pain.

Please Provide Complete Steps on how to include the dll file in visual studio 2008 that it copies it to Windows Directory of the Device during project deployment

Thanks