This function enables the infrared (IR) serial interface.
BOOL HWEnableIR( PVOID pContext, ULONG BaudRate );
TRUE indicates success. FALSE indicates failure. If an error occurs, the caller can return the error using GetLastError.
This function sets the device into IR mode. It returns NULL if the device does not support IR mode.
This function supports the implementation of the PDDs of serial port drivers. This function is defined in the header file SerHW.h, and is available in Windows CE version 1.0 and later.