ILaunchManager launchManager =
        DebugPlugin.getDefault().getLaunchManager();
    IWorkspace workspace = ResourcesPlugin.getWorkspace();
    IProject tmpProject = workspace.getRoot().getProject("External File");
    try {
        // Création d'un projet temporaire pour stocker le fichier de launch.
        if (!tmpProject.exists()) {
            tmpProject.create(null);
        }
        if (!tmpProject.isOpen()) {
            tmpProject.open(null);
        }
        IPath location = new Path("D:/myConfigurations/Snippet2.launch");
        IFile file = tmpProject.getFile(location.lastSegment());
        file.createLink(location, IResource.NONE, null);
        // Récupération de la configuration:
        ILaunchConfiguration launchConfiguration =
            launchManager.getLaunchConfiguration(file);
        if (launchConfiguration != null) {
            // On informe Eclipse qu'une configuration est ajoutée:
            launchManager.getMovedFrom(launchConfiguration);
        }
        tmpProject.refreshLocal(0, null);
    } catch (CoreException e) {
        e.printStackTrace();
    }