1) Introduction ActiveX controls are software components based on COM technology (Component Object Model) that can be inserted into an application to perform various tasks. These objects are developed in…
Question: I don’t want a return-to-normal-status message to be displayed in the Database. Is it possible? Solution: Not, it is not possible to do this automatically: by default, all return-to-normal…
Question: Will a version 3.X hardkey be acknowledged normally when running a version 2.X E3 application? Solution: No, it will not be acknowledged normally. You must check whether this hardkey’s…
Question: How can I create a button whose pulse lasts 1 second? Solution: To do so, you must use a Counter Tag, and set it up as described: CounterType: 0…
Question: When I try to open E3WebViewer (remote access to Domain via Internet Explorer), the following message is displayed: “Server not found (ping failed), retrying…”, and it is impossible to…
Question: Why is E3’s unit of measurement HIMETRIC, and not pixels? What is the conversion factor? Solution: A pixel-based system relies directly on computer’s resolution. For example, a screen developed…
Question: Why does DNP Driver 3.0 only write when in Studio mode, but it does not receive the values written on (and accepted by) the Setpoints? Solution: This happens because…
Question: How can I return the serial number of an HD installed in the computer? Solution: It is possible to do so by using the script below. It lists all…
Question: Can I connect to a PostGreSQL database via network? How should I set this up? Solution: Yes, you can. To do so, you must follow these guidelines: Server: Install…
Question: How can I add Back and Next buttons to the Elipse E3 project, so that they can operate similarly to the web browsers buttons of the same name? Solution:…