Bug 272474 [Markers] Problem view's Hide/Show columns preferences dont work correctly
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerPreferencesDialog.java
GridData checkedData = new GridData(SWT.FILL, SWT.NONE, true, false);
		checkedData.horizontalSpan = limitEditor.getNumberOfControls();
		enablementButton.setLayoutData(checkedData);
		enablementButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				setLimitEditorEnablement(editArea, enablementButton
						.getSelection());
			}
		});
		setLimitEditorEnablement(editArea, checked);
		messageLabel = new Label(dialogArea, SWT.NONE);
		messageLabel.setBackground(JFaceColors.getErrorBackground(dialogArea
				.getDisplay()));
		messageLabel.setForeground(JFaceColors.getErrorText(dialogArea
				.getDisplay()));
		messageLabel
				.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
		createColumnsArea(dialogArea);
		applyDialogFont(dialogArea);
		return dialogArea;
	}
	/**
	 * Create an area for the selected columns
	 * 
	 * @param dialogArea
	 */
	private void createColumnsArea(Composite dialogArea) {
		initializeDialogUnits(dialogArea);
		Group columnsComposite = new Group(dialogArea, SWT.NONE);
		columnsComposite.setText(MarkerMessages.MarkerPreferences_ColumnGroupTitle);