hello, thank you for your help, I have installed eclipse, the modeling plugins with source and the svn plugin.
after pressing "checkout", I have got "build successful"
once I opened " plug-in developpement perspective" many errors and warnings appeared on folders
I couldn't understand where the problem is ??!!!
I also couldn't accomplish the launch a Run-time workbench (Click on Run -> Run as -> Run-time workbench).
when I open "Window" -> "Show view" -> "other" -> I don't find "ATL".