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Tuesday, August 12, 2008

Another useful Editor Script for developers

In AX the principle of upcasting is used quite a lot. Some examples coule be the RunBase hierarchy or the InventMovement class hierarchy. Basically, the base (or super) classes contain the main part of the hierarchy logic, while subclasses only override a couple of methods performing actions specific to this class.

When browsing the AOT, trying to find a specific line of code (debugging without the debugger, basically), you often find yourself in a situation when you lookup a definition of a method from a derived class, and end up in this method of the base class instead (because upcasting was used in the code in question). And every time you need to see the same implementation in the child class, you need to go back to the AOT and open it from there manually.

Well, not any more.
Here is a small editor script, that you can use to navigate to an overridden method of a derived class.

I created 2 versions of the same script, one using xReferences, the second using Dictionary class. The xRef one, generally, works faster once the xRefs for the class hierarchy is updated (happens the first time you use the script). So I am not posting the second script version. If anyone is interested in that version specifically, let me know and I will send you the code.

I made a couple of small changes to the script since my previous post (which I deleted), making it possible to import the script without compilation errors into AX prior to verion 2009. Sorry for that :)

You can copy-paste the code for the script from (There is a problem with copying over the code from blogger site directly)

You can read more about Editor Scripts and how to use them here

Enjoy, and get back to me with any comments or suggestions, posting them as comments or e-mailing me directly