CloseCom

int CloseCom (int COMPort);

Purpose

Closes a COM port.

CloseCom does nothing if the port is not open.

Parameters

Input
Name Type Description
COMPort integer A number that indicates the COM port on which to operate.

This number is paired with deviceName, which represents the COM port, during the OpenComConfig function call.

Default Value: 1—COM1
Valid Range: 1—1,000

Return Value

Name Type Description
result integer The result of this function call. This code is a negative value that specifies the type of error that occurred.