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This function enables an application to receive characters from the serial port.
ULONG COM_Read( HANDLE pContext , PUCHAR pTargetBuffer , ULONG BufferLength , PULONG pBytesRead );
The number of bytes read indicates success. A value of -1 indicates failure.
This function sets the buffer and buffer length requested by the caller. It writes the number of bytes transacted and returns the status of the call.
This function is exported to users through the ReadFilefunction.
This function must obey time-out values set for the serial port.
|Runs on||Versions||Defined in||Include||Link to|
|Windows CE OS||1.0 and later||Mdd.c|
Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
Last updated on Tuesday, July 13, 2004