As we know, in windows phone 8, if we want to turn screen light off with app, we can call windows runtime component by p/invoke. example:
peripherally inserted central catheter (PICC) care, a nursing intervention from the Nursing Interventions Classification (NIC) defined as insertion and maintenance of a peripherally inserted central catheter either midline or centrally located. See also Nursing Interventions Classification.
Pico- (symbol p) is a unit prefix in the metric system denoting one trillionth, a factor of 10â12 (0.000000000001). Derived from the Spanish pico, meaning peak, beak, bit, this was one of the original 12 prefixes defined in 1960 when the International System of Units was established. The radius of atoms range from 25 picometers (hydrogen) to 260 picometers (caesium). One picolight-year is about nine kilometers (six miles).