ComProbe - Version 1.0 This program hook other programs' operation to the serial ports, so It can debug serial port program without source code and even serial port lines. This program can hook serial port programs' setting baudrate ,setting line control , writing to port and reading from port simultaneity. And this program can also set the baudrate and line control of some serial port which has been opened by serial port program. with the print and copy function, it will be a good debugger for the serial port.