protected void createFormContent(IManagedForm managedForm){
        super.createFormContent(managedForm);
        Composite parent = managedForm.getForm().getBody();
        parent.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_RED));
        parent.setSize(500, 500);
        GridLayout layout = new GridLayout();
        layout.numColumns = 2;
        layout.makeColumnsEqualWidth = true;

        parent.setLayout(layout);

        Composite comp_left = new Composite(parent, SWT.NONE);
        comp_left.setSize(400, 400);
        comp_left.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_BLUE));
        GridLayout layout_left = new GridLayout();

        comp_left.setLayout(layout_left);
        Label label_left = new Label(comp_left, SWT.NONE);
        label_left.setText("linkes label");
        Text text = new Text(comp_left, SWT.BORDER);

        Composite comp_right = new Composite(parent, SWT.NONE);
        RightSite rightSite = new RightSite(comp_right);
        RightElementsObject right_el_obj = new RightElementsObject();
        rightSite.createRightSite(parent, right_el_obj, "Projekt");