How to Program WinCC OA Message Catalogs
Orginal author: Oliver Reed
Message Catalogs is a feature in WinCC OA that is often forgotten. This feature is used when the application needs to support different languages, but it’s also a great resource for simple error messaging or centralizing strings of text that are used throughout the program.
To use the Message Catalog, you must first create a folder in your program structure.
Within that folder, you can add the different language folders. I have yet to implement a multi-language project, but this is in part how that would be done.
Once the folder is in place, you can add your own message catalogs. The catalogs are organized by a keyword and the corresponding text (as seen below).
In order to access the text in the message catalog, use this function:
Further, If you want to create a pop-up error/alert window to use inconjunction with the built in MessageWarning panel, simply add in something like the following:
Now, whenever this script is run, you will get a popup that looks like the following:
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