Bug 279452 [Compatibility] Parameterized command mechanism support
Parameterized commands like showView need to be able to access their parameters (like the view ID) PW
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ApplicationPackage.java
int MAPPLICATION_ELEMENT = 0;
	/**
	 * The feature id for the '<em><b>Owner</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MAPPLICATION_ELEMENT__OWNER = 0;
	/**
	 * The feature id for the '<em><b>Id</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MAPPLICATION_ELEMENT__ID = 1;
	/**
	 * The number of structural features of the '<em>MApplication Element</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MAPPLICATION_ELEMENT_FEATURE_COUNT = 2;
	/**
	 * The meta object id for the '{@link org.eclipse.e4.ui.model.internal.application.MApplicationImpl <em>MApplication</em>}' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see org.eclipse.e4.ui.model.internal.application.MApplicationImpl