error logging

Using Barcode Reader In VB.NET

This project was converted from C#, it is a Serial Barcode Reader Application that will check to see if a COM Port exists. It will Open the Port, Read data, and Close the Port when it is done. Then a Delegate is used to write to a UI control from a non-UI thread. If an error occurs, it will automatically write the error to a log file. If the log file directory doesn't exist, it will create one and