@Plash and AlexO: I know it would be nice to have also a C# compiler integrated on BLIde, but there's a lot of work involed on making BLIde compile a .net language without forcing the user to install any of the microsoft .net SDK. So untill the vb compiler is fully tested and integrated on BLIde, I will not start any of the other possible compilers, such as C# or J#. I've started with the VB one, becouse I think it is a language closer to Max than C# in syntax terms. CodeDom can not be directly used, as it links everything it compiles to the running assembly, wich is not very interesting in memory terms. I've done it in a way you get any existing compilation error in the Code Analizer (ala visual studio) and reintegrating all this again for another language is just a bit of a nightmare. Let's focus on the little SDK engine based on vb.net to develop all the API in a good flexible way, and once the API is mature, we could think on adding a C# compiler or even a J# compiler. I've read on the worklongs somebody is working on a Blitz to CIL compiler, who knows...