Microsoft definitely heard developer demands with the SerialPort control. Many people still use the serial port for communication. Everything from older mice to scientific data logging relies on the serial port. In fact, the lack of serial port support in the previous edition of Visual Studio drove a thriving third-party control market.
There’s nothing too exciting about this control. It lets you access and control a serial port. You use it to send data to and receive data from the serial port as needed. You can even use this control to change features such as the read and write buffer sizes. If you were looking for a serial port control earlier, Visual Studio 2005 has it now. Unfortunately, it’s buried in the All Windows Form tab of the Toolbox, which is why this particular control appears in this article.