How can I define which filetypes are affected by VisualAssist in Visual Studio 2010?
For example, I don't like how this tool works with openCL and cuda files, therefore I would like to turn off it for these file types (oherwise it highlights 1000 errors).
Visual Assist does not underline errors in C/C++ files in VS2010 - that is done by the default intellisense. You can disable underlining but not on a per-file extension basis; it is all or nothing. See Tools | Options | Text Editor | C/C++ | Advanced | Disable Squiggles.