Bug 267242 [JFace] Add API to configure table and tree columns in a keyboard-accessible way
bundles/org.eclipse.jface/src/org/eclipse/jface/internal/ConfigureColumnsDialog.java
} else if (targetControl instanceof Tree) {
			return ((Tree) targetControl).getColumnOrder();
		}
		return new int[0];
	}
	/**
	 * @param c
	 * @return
	 */
	private boolean getMoveable(Item item) {
		if (item instanceof TableColumn) {
			return ((TableColumn) item).getMoveable();
		} else if (item instanceof TreeColumn) {
			return ((TreeColumn) item).getMoveable();
		}
		return false;
	}
	/**
	 * @param c
	 * @return
	 */
	private boolean getResizable(Item item) {
		if (item instanceof TableColumn) {
			return ((TableColumn) item).getResizable();
		} else if (item instanceof TreeColumn) {
			return ((TreeColumn) item).getResizable();
		}
		return false;
	}
	protected Control createDialogArea(Composite parent) {