@Override
protected void createFormContent(IManagedForm managedForm) {
super.createFormContent(managedForm);
managedFormComposite = managedForm.getForm().getBody();
managedFormComposite.setLayout(new FillLayout()); // set any Layout
builder =new GSSGraphBuilder(managedFormComposite, SWT.NONE, getSite(), (GSS)modelElement, accessLayer);
builder.build();
}