If you have ever used a remote control,
you have used infrared technology. Infrared is a wireless
communication technology that makes use of the invisible spectrum of
light that is just beyond red in the visible spectrum.
It's suitable for applications that require
short-range, point-to-point data transfer. Because it uses light,
sight is a prerequisite for using infrared. Despite this limitation,
infrared is widely used in household equipment and is increasingly
popular in devices such as digital cameras, PDAs, and notebook
Founded in 1993 as a nonprofit organization, the
Association (IrDA) is an international organization that creates and
promotes interoperable, low-cost infrared data interconnection
standards that allow users to point one device at another and have it
just work. The Infrared Data Association standards support a broad
range of appliances, computing, and communications devices.
The term IrDA is typically used to refer to the protocols for
infrared communications, not exclusively to the nonprofit body.
In this chapter, I take a look at Windows XP's
support for infrared and show how you can make use of it for your