Sets the device friendly name for the device. For information about how to install a custom properties page, see Create an Advanced Properties Page for a COM Port. If Serial creates a COM port interface for the serial port, Serial uses the value of PortName as the symbolic link name for the COM port.ĭisplays a default property page dialog box, which allows a user to select settings for the port. The port name has the format COM, where is the port number. Selects a COM port number and sets a port name in the PortName entry value under the device's hardware key. The Ports class installer performs the following tasks when it installs a serial port: For more information about how Serial creates a COM port device interface for a COM port and how to override this operation, see External Naming of COM Ports. Serial creates a COM port device interface for a serial port if the SerialSkipExternalNaming entry value for a device does not exist or is set to zero. For information on USB attached serial ports, see USB serial driver (Usbser.sys).īy default, the combined operation of the Ports class installer and the Serial function driver configure a serial port as a COM port. This topic describes programming traditional COM ports.
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