The full path to the Revit Macros module. 
   Namespace:   Autodesk.Revit.UI.Macros  
  Assembly:   RevitAPIUI  (in RevitAPIUI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
Syntax
| C# | 
|---|
|  | 
| Visual Basic | 
|---|
|  | 
| Visual C++ | 
|---|
|  | 
Implements
IEntryPoint AddinFolderRemarks
 This path should be used instead of the .NET GetExecutingAssembly() result, because the Macros module is loaded in such a way to make that result unreliable.