Retrieving the resolution of an open screen at runtime.
Question: At run time, how can I retrieve the resolution of an open screen in an E3Viewer? Solution: To do so, you must write a script similar to the one…
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KB-28698: Blank screens when opening an E3 application in an older version.
Question: Why are the screens of an application blank when they are open in a version of E3 that is previous to the one it has been developed? Solution: This…
Setting a TextBox to allow only numeric values.
Question: How can I set up a TextBox object to allow only numeric values? Solution: To do so, you must write a script in the TextObject’s Change event. For example:…
KB-36672: Rounding decimal places when saving values in a Database.
Question: How can I round the decimal places of the variables’ values when saving them in a Database? Solution: This is not recommended, but if you want to do it,…
KB-37200: Displaying a single register with the InTime and OutTime information in E3 Browser.
Question: How can I display the InTime and OutTime information from an alarm occurrence a single register in E3 Browser? Solution: To do so, we suggest that you use the…
KB-37530: Opening E3 Studio with a connected runtime hardkey.
Question: Can I open the E3Studio on a server being executed with a runtime hardkey? Solution: If the hardkey has no E3Studio license, you won’t be able to open it,…
KB-37699: Creating tables automatically when storing alarms.
Question: When storing alarms on the Database, does E3 create the tables automatically? Solution: Yes, it does. To do so, just click the Create Table button on the Alarm Server’s…
KB-26752: Working with the I/O Driver’s ShareServer property.
Question: How does the I/O Driver’s ShareServer property work? Solution: If this property is set to True, the driver shares its execution with the other I/O Driver objects that have…
KB-37613: Opening a CHM file on a specific page via E3.
Question: How can I open a CHM file by setting a certain topic via E3? Solution: To do so, you must use the Viewer’s ExecuteExternalApp method. For example: Application.ExecuteExternalApp “hh.exe”,…
KB-37610: Working with Boolean expressions and mathematic operations in the same link.
Question: Can I insert Boolean expressions and mathematic operations in the same link? Solution: Yes, you can. For example: 5 + (Tag1.Value AND Tag2.Value) In this example, the Boolean expression’s…