serial ports for all Windows applications. And any communications application can work with them as if they were physical ports. On the other hand, developer API provided by Virtual Serial Port Control allows your program to access data written to virtual serial port by communications application and to respond with your own data. The data will be read by communications application from virtual serial port as if they were read from a physical port

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serial communications component library for RS232 and multi-drop RS485 and RS422 serial ports. Features of WSC4VB include: - Supports 256 ports. Can control multiple ports simultaneously. - Fully thread safe, port re-entrant, modem control, serial line status and control, ANSI emulation, ASCII/XMODEM/YMODEM. - Uses the standard Windows API to communicate with any device connected to a serial port. Use WSC4VB to write applications to control serial

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Visual FoxPro RS232/R485/RS422 serial port communications component library. Supports 256 ports, control multiple ports simultaneously, fully thread safe, port re-entrant, modem control,ASCII/XMODEM/YMODEM. Supports virtual serial ports (USB to serial, Bluetooth serial), hardware/software flow control, serial line status & control. Supports Visual FoxPro 3.0 through 9.0. Works with Win95 through Windows 7. 32-bit and 16 bit DLLs. Royalty free.

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serial communications component library for RS232 and multi-drop RS485 and RS422 serial ports. Features of WSC4D include: - Supports 256 ports. Can control multiple ports simultaneously. - Fully thread safe, port re-entrant, modem control, serial line status and control, ANSI emulation, ASCII/XMODEM/YMODEM. - Uses the standard Windows API to communicate with any device connected to a serial port. Use WSC4D to write applications to control serial

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serial communications component library for RS232 and multi-drop RS485 and RS422 serial ports. Features of WSC4XB include: - Supports 256 ports. Can control multiple ports simultaneously. - Fully thread safe, port re-entrant, modem control, serial line status and control, ANSI emulation, ASCII/XMODEM/YMODEM. - Uses the standard Windows API to communicate with any device connected to a serial port. Use WSC4XB to write applications to control serial

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serial communications component library for RS232 and multi-drop RS485 and RS422 serial ports. Features of WSC4C include: - Supports 256 ports. Can control multiple ports simultaneously. - Fully thread safe, port re-entrant, modem control, serial line status and control, ANSI emulation, ASCII/XMODEM/YMODEM. - Uses the standard Windows API to communicate with any device connected to a serial port. Use WSC4C to write applications to control serial

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