Vb 2010 serial port control

Hi, i happened to face systemnullreference exception error on the serialport1. How do i fix this? This is really cool, but could somebody please tell me how I can run it without visual studio after I compile it?

Reply 5 years ago. There is a folder, that is named after your project and in this folder there is a bin folder this contains a the debug folder and in it is your projects. Thanks for the tutorial mate. Q Have create a vb. Help please thanks in adv. Reply 6 years ago. Error1'SerialPort1' is not declared.

It may be inaccessible due to its protection level. Reply 6 years ago on Introduction. By techbitar Follow. More by the author:. About: Did I unplug the solder iron? More About techbitar ». Did you make this project? Share it with us!

I Made It! Collectives on Stack Overflow. Learn more. Visual Basic Serial port reading? Ask Question. Asked 6 years, 2 months ago. Active 6 years, 2 months ago. Viewed times.

Threading Imports System. Ports Imports System. FormClosed If SerialPort1. IsOpen Then SerialPort1. Object, ByVal e As System. EventArgs Handles MyBase. GetPortNames c1. EventArgs Handles Button1. StreamWriter Application. In the code snippet picker, it is located in Connectivity and Networking.

For more information, see Code Snippets. 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. This example uses a Try Finally block to make sure that the application closes the port and to catch any timeout exceptions. For more information, see Try Finally Statement. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode.