RAP中组件最大化的代码

Composite composite = new Composite(parent, SWT.NONE);
        GridData gd_composite = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
        gd_composite.heightHint = 80;
        composite.setLayoutData(gd_composite);
        GridLayout gl_composite = new GridLayout(1, true);
        gl_composite.marginBottom = 5;
        gl_composite.verticalSpacing = 0;
        gl_composite.marginHeight = 0;
        composite.setLayout(gl_composite);
        Group informationGroup = new Group(composite, SWT.NONE);
        informationGroup.setText("更新动作");
        informationGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
        GridLayout gl_group = new GridLayout(1, false);
        gl_group.marginHeight = 0;
        gl_group.horizontalSpacing = 0;
        gl_group.verticalSpacing = 0;
        gl_group.marginWidth = 0;
        informationGroup.setLayout(gl_group);
        final Text informationLabel = new Text(informationGroup, SWT.MULTI | SWT.WRAP);
        informationLabel.setEnabled(false);
        informationLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));