Computer Home Based Wiring System

Gud am guyz,
Could pls help me to design or just give the logic to
intercept a relay of 220 Volts from AC to a paralle port.
Im trying to verify whether a bulb is on using 220 Volts signal
and inputting this to a parallel port so that i would manipulate it using my PC
Tanks a lot
bye the way, im doing a simple prototype project
Home based wiring system interfacing/controlling it using my
Any VB programming will do also tank a lot
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