智能车位检测系统，上位机程序。实现当车停进来，控件代表车位，会显示已经有车，车来时，textbox控件显示车位信息，提示车主。并在液晶屏上显示。-Intelligent parking detection system, the PC program. When the car in, and controls on behalf of car parking spaces, will have car to car, textbox control displays parking infor