These examples are suitable for use in Visual Basic, Word, Excel and Access. The serial port ActiveX object can be inserted by VBA code (see the first example) or be manually inserted into form, worksheet or document.
This topic describes how to use
My.Computer.Ports to send strings to the computer's serial ports in Visual Basic.
Example
This example sends a string to the COM1 serial port. You may need to use a different serial port on your computer.
Spiderman 3 game free download. Use the
My.Computer.Ports.OpenSerialPort method to obtain a reference to the port. For more information, see OpenSerialPort.
The
Using block allows the application to close the serial port even if it generates an exception. Adobe flash 11.1 for android. All code that manipulates the serial port should appear within this block or within a Try..Catch..Finally block.
The WriteLine method sends the data to the serial port.
Visual Basic Com Port ProgrammingCompiling the CodeVisual Basic 6.0 Serial Port Programming
Robust Programming
This example assumes the computer is using
COM1 ; for more flexibility, the code should allow the user to select the desired serial port from a list of available ports. For more information, see How to: Show Available Serial Ports.
This example uses a
Using block to make sure that the application closes the port even if it throws an exception. For more information, see Using Statement.
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