Copyright (c) 2004, 2015 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2004, 2015 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.commands;

An instance of this interface can be used by clients to receive notification
of changes to one or more instances of Command.

This interface may be implemented by clients.

See Also:
Command.addCommandListener(ICommandListener)
Command.removeCommandListener(ICommandListener)
Since:
3.1/**
 * An instance of this interface can be used by clients to receive notification
 * of changes to one or more instances of <code>Command</code>.
 * <p>
 * This interface may be implemented by clients.
 * </p>
 *
 * @since 3.1
 * @see Command#addCommandListener(ICommandListener)
 * @see Command#removeCommandListener(ICommandListener)
 */
public interface ICommandListener {

	
Notifies that one or more properties of an instance of
Command have changed. Specific details are described in
the CommandEvent.
Params:
commandEvent – 
           the command event. Guaranteed not to be null./**
	 * Notifies that one or more properties of an instance of
	 * <code>Command</code> have changed. Specific details are described in
	 * the <code>CommandEvent</code>.
	 *
	 * @param commandEvent
	 *            the command event. Guaranteed not to be <code>null</code>.
	 */
	void commandChanged(CommandEvent commandEvent);
}