//START
- Start a new VS2008 Project
- Import the demo Code.

//REFERENCES
- In the Solution viewer right click on "References" and select the COM tab.
- Hit the browse button and navigate to your local EA directory.
- Select the Interop.EA.dll and click open then ok to close the Add Reference Dialog.

//PROPERTIES
- In the VS2008 menu select Project | CS_SchemaAddin
- Select Common Properties | References Path and add C:\Program Files\Sparx Systems\EA\ if its not there already.
- Select Common Properties | General | Output Type to be set to Class Library
- Select Configuration Properties | Build | Register for COM Interop set to True.
- Select Configuration Properties | Debugging and Change the debug mode to Program and the start application to "C:\Program Files (x86)\Sparx Systems\EA\EA.exe" (or whatever is relevant to you).

//REGISTRY
- To setup the registry, we need to start Regedit and find the HKEY_CURRENT_USER\Software\Sparx Systems\EAAddins directory.
- Add a new key with the name the same as your namespace. In our case it is CS_SchemaAddin 
- The value for the key should be your project name followed by your entry point. 
- In our case the value would be: CS_SchemaAddin.Main

//REGEDIT EXPORT
 [HKEY_CURRENT_USER\Software\Sparx Systems\EAAddins\CS_SchemaAddin]
 @="CS_SchemaAddin.Main"
 
//RUN]
- Make sure EA is closed and Hit F5 (Start).
- VS2008 will load EA and all things correct you will see your Add-In under the Add-Ins menu.
- To use the Addin, select 'Schema Composer' from the EA main menu and click 'New' 
- The Addin should be appear in the list of available 'Schema Sets'.
- Edit the schema and save it.
- Generating the schema will cause the addin to be called by EA.