how can i upd8 a button backcolor thru parallel port input in real time depending on the bit? My project is passenger counting system, each seat of the bus has a sensor(LDR) on it, How can I upd8 in real time without clicking the button or any
component just by reading in parallel port depending input of the sensor in vb .net? Ex. if someone seats in seat no. A1 automatically the backcolor of the button or any component change and if the...