Question: How can I delete files in E3? Solution: To do so, use the following script: ‘Search for file to be deleted Application.ShowFilePicker True, File‘Delete fileSet filesys = CreateObject(“Scripting.FileSystemObject”)filesys.DeleteFile File…
Question: Where are E3 application’s queries executed: in the Viewer or in the Server? Solution: This will depend on EnableLocalCreation property’s value. If EnableLocalCreation property is set as TRUE, the…
Question: The color of some buttons in my application changes depending on the operational system where it is running. Why does it happen? Solution: The default color of CommandButton objects…
Question: How can I show data from a query in a report, as well as the difference between the first and the last values of the fields? Solution: It is…
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: 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…
Sample application showing how to use a historic trend and its properties, such as zoom, scrolling, queries, etc. Attachments: ex_tendhistEN
Question: At E3 Playback, can I change the mouse’s previous position? Solution: Yes. I has become possible since E3 version 3.5, thanks to two new Viewer’s methods: GetMouseX() and GetMouseY().…
Question: Why can’t I run and compile scripts (via E3 Studio) in my computer? When I issue the ‘compile’ message, no message is displayed in the message box below the…