Ports Class
Assembly: Microsoft.VisualBasic (in microsoft.visualbasic.dll)
For more detailed information, see the Visual Basic topic My.Computer.Ports Object.
The My.Computer.Ports object provides a straightforward entry point for accessing the .NET Framework serial port class, SerialPort.
The following table lists examples of tasks involving the My.Computer.Ports object.
| To | See |
|---|---|
| Dial a modem attached to a serial port | How to: Dial Modems Attached to Serial Ports in Visual Basic |
| Send a string to a serial port | |
| Receive strings from a serial port | |
| Show available serial ports |
This example describes how to send strings to the computer's COM1 serial port.
The Using block allows the application to close the serial port even if it generates an exception. All code that manipulates the serial port should appear within this block, or within a Try...Catch...Finally block with a call to use the Close method.
The WriteLine method sends the data to the serial port.
Sub SendSerialData(ByVal data As String) ' Send strings to a serial port. Using com1 As IO.Ports.SerialPort = _ My.Computer.Ports.OpenSerialPort("COM1") com1.WriteLine(data) End Using End Sub
For more information, see How to: Send Strings to Serial Ports in Visual Basic.
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Reference
Ports MembersMicrosoft.VisualBasic.Devices Namespace
Microsoft.VisualBasic.Devices.Ports
Other Resources
My.Computer.Ports ObjectMy.Computer.Ports Object Members
My.Computer Object
How to: Dial Modems Attached to Serial Ports in Visual Basic
How to: Send Strings to Serial Ports in Visual Basic
How to: Receive Strings From Serial Ports in Visual Basic
How to: Show Available Serial Ports in Visual Basic