Extending Microsoft Dynamics 365 Finance and Supply Chain Management Cookbook - Second Edition

Hooking up the number sequence

The code to tie the various forms for the data source events to the number sequence framework was done in its most abstracted method. This allows the service order to be extended. For example, if we added a service order type field, we could have a different sequence per type of service order without having to rework the code very much.

In these methods, we used the element and this keywords. On a form, the this keyword is the most confusing one as it changes depending on where it is used. This is because we have nested class definitions inside the main form class. So, in the context where we used it, this means ConVMSVehicleServiceTable_DS. Within the form's root methods, this means the FormRun object that ...