Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ExtendedMarkersView.java
}
			
			
			if (columnWidth < 0)
				layout.addColumnData(new ColumnPixelData(markerField
						.getDefaultColumnWidth(tree), true, true));
			else
				layout.addColumnData(new ColumnPixelData(columnWidth, true));
		}
		
		if (currentColumns.length > fields.length) {
			for (int i = fields.length; i < currentColumns.length; i++) {
				currentColumns[i].dispose();
			}
		}
		viewer.getTree().setLayout(layout);
		tree.setLinesVisible(true);
		tree.setHeaderVisible(true);
		tree.layout(true);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets
	 * .Composite)
	 */
	public void createPartControl(Composite parent) {
		createViewer(parent);
		addPageAndPartSelectionListener();