OVERVIEW When the HOT server’s network cable is unplugged, the time of switchover between hot-standby servers is always higher than 20 seconds, regardless of how long this time has been…
OVERVIEW In HotStandby systems, whenever a machine previously in Standby leaves maintenance, it starts executing the application, while also keeping it running in the previously active server. HOW CAN I…
OVERVIEW Studio appears to have no domain loaded when a domain file with the old format is opened. DETAILS Sometimes, an older domain (from versions previous to E3 version 3.0)…
Question: In an E3Chart that is plotting historic data, how can I set up automatically the limits of the X axis according to E3TimeStamp‘s first and last value? Solution: To…
Question: How can I change a pen’s visibility via screen objects? Solution: To enable or disable pen’s visibility, follow these procedures: Add a CheckBox to the screen. In this CheckBox,…
Question: Can I use two hardkeys atthe same parallel port, one with an E3Studio license and the other with an E3Server license? Solution: No, you can’t use two hardkeys in…
Question: How can I set up the application so that the horizontal axis is edited at run time, to either Real Time or Historic? Solution: To do so, you must…
Question: How can I plot the functions y=x+2; y=X^2; y=x^3 in an E3Chart? Solution: To do so, use Pen’s AddPoint method, via scripts, to add points to a chart. Examples:…
OVERVIEW When using E3WebViewer with Microsoft Internet Explorer 7, the menus called by SelectMenu function don’t work. SITUATION Elipse Software has confirmed that this is in fact a bug from…
Question: I have a runtime hardkey with two Viewer licenses: one is Viewer Full, and the other one is Viewer Only. How can I set up which IP will use…