Composite rightContainer = formFactory.createComposite(control);
rightContainer.setLayoutData(LayoutConstants.FILL());
rightContainer.setLayout(LayoutConstants.LAYOUT(1, false));
// rightContainer.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
RootElement rightRoot = new RootElement(formFactory, rightContainer);
Composite rightContainer = formFactory.createComposite(control);
rightContainer.setLayoutData(LayoutConstants.FILL());
rightContainer.setLayout(LayoutConstants.LAYOUT(1, false));
// rightContainer.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
RootElement rightRoot = new RootElement(formFactory, rightContainer);