ReadArray Method

Reads array of data from the port.

Syntax

Visual Basic Function ReadArray(DataBuffer As Byte, BytesToRead As Long) As Long
Delphi function ReadArray(var DataBuffer: array of Byte, BytesToRead: Integer): Integer;
Visual C++ (MFC) long ReadArray(VARIANT *DataBuffer, long BytesToRead);
Visual C++ (#import) long ReadArray(VARIANT *DataBuffer, long BytesToRead);

Parameters

DataBuffer

[out] The buffer that receives the data.

BytesToRead

[in] Number of bytes to read from the port.

Return

Number of bytes read.

Errors

The method may throw exception. Use GetLastError method to get the error code.

ftvspcErrorFailed 1 The operation has not been completed.
ftvspcErrorInvalidParameter 2 Invalid parameter.

See Also

Attach, Write