ComPort

Delphi and C++Builder component for serial communication on Windows.

seamless communication with devices connected to the serial port
intuitive to use while offering powerful capabilities
optimized for maximum performance with multithreading and overlapping techniques
compatible with Delphi/C++Builder versions 5 to 12 and Lazarus 3.8
includes source code in the registered version
royalty-free distribution in applications

Order ComPort component $120 USD (license for one developer)

Order ComPort multi-license $360 USD (license for all developers in a company)

Order ComPort year upgrades $60 USD (for registered users only)

Order ComPort year upgrades multi-license $180 USD (for registered multi-license users only)

How can I access COM ports numbered 10 and above?
Windows requires the use of a special prefix to access COM ports with numbers 10 or higher:

// Delphi
ComPort.DeviceName := '\\.\COM10';

// C++Builder
ComPort->DeviceName = "\\\\.\\COM10";

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