Customizing a DSL needs different expertise based on the amount of customization that you want to apply. A 'basic' concept that you need to understand is the double derived pattern. The DSL engine generates classes based on the dsl definition. Those classes are partial class so, like in asp.net or winform, you can create your code for the same class in another file separating it from the automatically generated. Those classes are split in two separate files, but is essentially the same class so you can't replace a method automatically generated. To address this problem the DSL framework introduce the double derived pattern. For...