SerialPort (gb.net)
This class was designed to allow to communicate using a serial interface (usually RS-232 serial port). This class inherits from
Stream class, so you can use standard streams methods to send and receive data, and to close the port.
Константы
Bits1
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Constant used when the serial port has one stop bit.
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Bits2
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Constant used when the serial port has two stop bits.
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Bits5
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Constant used when the serial port has 5 data bits.
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Bits6
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Constant used when the serial port has 6 data bits.
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Bits7
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Constant used when the serial port has 7 data bits.
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Bits8
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Constant used when the serial port has 8 data bits.
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Both
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Constant used when the serial port has both software and hardware flow control.
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Even
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This constant represents an even parity for the serial port.
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Hardware
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Constant used when the serial port has hardware flow control.
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None
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This constant is used in the following cases:
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Odd
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This constant represents an odd parity for the serial port.
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Software
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Constant used when the serial port has software flow control.
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Свойства
CTS
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Returns current status of the "Clear To Send" serial port signal, or FALSE if port is closed.
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DCD
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Returns current status of the "Data Carrier Detect" serial port signal, or FALSE if port is closed.
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DSR
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Returns current status of the "Data Set Ready" serial port signal, or FALSE if port is closed.
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DTR
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Returns or Sets current status of the "Data Terminal Ready" serial port signal. This value cannot be set when serial port is closed. If serial port is closed and you read this property, it returns FALSE.
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DataBits
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Return or set the number of data bits used by the serial port.
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FlowControl
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Return or set the serial port flow control.
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InputBufferSize
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Return the number of bytes of the internal input buffer.
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OutputBufferSize
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Return the number of bytes of the internal output buffer.
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Parity
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Returns or sets the serial port parity.
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PortName
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Returns or sets current serial port device path. This property can be changed only when serial port is closed.
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RNG
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Returns current status of the "Ring Indicator" serial port signal, or FALSE if port is closed.
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RTS
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Returns or Sets current status of the "Request To Send" serial port signal. This value cannot be set when serial port is closed. If serial port is closed and you read this property, it returns FALSE.
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Speed
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Place here communication speed in bauds, speed value must be a valid standard value allowed by the serial port driver (19200, 9600...). Be careful, as some common speed values like 38400 bauds are allowed by modems, but not by all serial port chips.
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Status
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Reflects the current status of a SerialPort object. It can be:
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StopBits
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Return or set the serial port stop bits.
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Inherited properties
Blocking
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Returns or sets if the stream is blocking.
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ByteOrder
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Returns or sets the byte order used to read or write binary data to the stream.
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EndOfFile
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This property signals whether the last use of LINE INPUT reached the end of file,
instead of reading a full line with an end-of-line character.
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EndOfLine
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Return or set the newline separator used by this stream.
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Eof
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Return if a stream reached its end.
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Handle
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Returns the system file descriptor associated with this Stream.
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IsTerm
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Return if a stream is associated with a terminal.
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Lines
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Returns a virtual object that allows you to enumerate a stream line by line.
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NoShare
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NullTerminatedString
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Return or set if strings are null-terminated when they are serialized.
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Tag
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Returns or sets the tag associated with the stream.
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Term
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Return a virtual object that allows to manage the terminal associated with the stream.
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Методы
Clear
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Clear the input/output buffers.
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Open
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Opens the serial port.
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Inherited methods
Begin
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Start to buffer data written to the stream, so that everything will be sent when the Send method is called.
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Close
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Closes the stream.
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Drop
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Drop the data that has been buffered since the last call to the Begin method.
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ReadLine
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Read a line of text from the stream, like the LINE INPUT instruction.
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Send
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Send all the data, in one shot, since the last call to Begin.
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Watch
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Start or stop watching the stream file descriptor for reading or writing, after it has been opened.
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События
CTSChange
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Raised when CTS signal value changes.
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DCDChange
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Raised when DCD signal value changes.
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DSRChange
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Raised when DSR signal value changes.
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DTRChange
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Raised when DTR signal value changes.
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RNGChange
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Raised when RNG signal value changes.
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RTSChange
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Raised when RTS signal value changes.
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Read
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Raised when there is data to be read from the serial port.
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