@param composite The composite on which the SWT widgets are added.
		 * @param numColumns The number of columns in the composite's GridLayout.
		 * @param preferences The map to store the values.
		 * @param key The key to store the values.
		 * @param values An array of n elements indicating the values to store for each selection.
		 * @param text The label text for this Preference.
		 * @param items An array of n elements indicating the text to be written in the combo box.
@param composite The composite on which the SWT widgets are added.
		 * @param numColumns The number of columns in the composite's GridLayout.
		 * @param preferences The map to store the values.
		 * @param key The key to store the values.
		 * @param values An array of n elements indicating the values to store for each selection.
		 * @param text The label text for this Preference.
		 * @param items An array of n elements indicating the text to be written in the combo box. | ModifyDialogTabPage.java