Introduction - If you have any usage issues, please Google them yourself
Achieve a Responder. Server: 3 label controls corresponding to the three clients, answer in the fastest client corresponding label will change color to show their reaction time, following each other three label. And a Start button, click start Responder. Client: a text box to enter the server IP address, a label when the the server press start, label discoloration, press the button and the Responder.