Whats the difference between, for example, IMesh.NumVerts and IMesh.NumVerts_ ? What should i use?
Also im having trouble understanding how should i get Class_ID of my specification to use in various functions? For example, will
  "var classID = maxGlobal.Class_ID.Create((uint)BuiltInClassIDA.TRIOBJ_CLASS_ID, 0);
  ..
  var canConvert = Obj.CanConvertToType(classID);"
  work ok? 
Thank you very much!