Bug 181061 [Viewers] JFace viewers performance issues in 3.3
A number of the JFace performance tests are red since I20060926-0800.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ColumnViewer.java
public void setCellModifier(ICellModifier modifier) {
		this.cellModifier = modifier;
	}
	/**
	 * Sets the column properties of this column viewer. The properties must
	 * correspond with the columns of the control. They are used to identify the
	 * column in a cell modifier. If editing is not supported by this viewer the
	 * call simply has no effect.
	 * 
	 * <p>
	 * Since 3.3, an alternative API is available, see
	 * {@link ViewerColumn#setEditingSupport(EditingSupport)} for a more
	 * flexible way of editing values in a column viewer.
	 * </p>
	 * 
	 * @param columnProperties
	 *            the list of column properties
	 * @since 3.1 (in subclasses, added in 3.3 to abstract class)
	 * @see ViewerColumn#setEditingSupport(EditingSupport)
	 * @see EditingSupport
	 */
	public void setColumnProperties(String[] columnProperties) {
		this.columnProperties = columnProperties;
	}
	/**
	 * Returns the number of columns contained in the receiver. If no columns
	 * were created by the programmer, this value is zero, despite the fact that
	 * visually, one column of items may be visible. This occurs when the
	 * programmer uses the column viewer like a list, adding elements but never
	 * creating a column.