Bug 27530 [Properties view] CopyPropertyAction does not dispose clipboard
build I20021127 CopyPropertyAction allocates a Clipboard but does not dipose it. Should add a dispose method here, and call it from PropertySheetPage.dispose().
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/CopyPropertyAction.java
/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp. and others.
All rights reserved. This program and the accompanying materials
are made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html
Contributors:
    IBM Corporation - Initial implementation
**********************************************************************/
package org.eclipse.ui.views.properties;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.dnd.*;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.ui.internal.WorkbenchMessages;
/**
 * Copies a property to the clipboard.
 */
 class CopyPropertyAction extends PropertySheetAction {