Reference Guide > Serial Communication > GetInputDataCount Method

Retrieves the number of incoming data bytes available in the input buffer for a communication channel (direct serial connection or modem connection).

GetInputDataCount(short ChannelID, long *Count);

Parameters

ChannelID

A channel ID (0-7) used to identify a communication channel.

Count

A pointer to the variable that receives the number of incoming data bytes available in the input buffer.