com.sun.jna.platform.win32.COM.util.IConnectionPoint Maven / Gradle / Ivy

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/* Copyright (c) 2014 Dr David H. Akehurst (itemis), All Rights Reserved
 *
 * The contents of this file is dual-licensed under 2
 * alternative Open Source/Free licenses: LGPL 2.1 or later and
 * Apache License 2.0. (starting with JNA version 4.0.0).
 *
 * You can freely decide which license you want to apply to
 * the project.
 *
 * You may obtain a copy of the LGPL License at:
 *
 * http://www.gnu.org/licenses/licenses.html
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "LGPL2.1".
 *
 * You may obtain a copy of the Apache License at:
 *
 * http://www.apache.org/licenses/
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "AL2.0".
 */
package com.sun.jna.platform.win32.COM.util;

import com.sun.jna.platform.win32.COM.COMException;
import com.sun.jna.platform.win32.COM.util.annotation.ComInterface;

@ComInterface(iid="{B196B284-BAB4-101A-B69C-00AA00341D07}")
public interface IConnectionPoint {

    /**
     * Set up the comEventCallbackListener to receive callback events from the target COM object
     *
     * @param comEventCallbackInterface - the COM interface that the listener will receive events from
     * @param comEventCallbackListener - and object that will receive the callback events
     * @return - a cookie that can be used to detach (unadvise) the event callback listener
     *
     * throws COMException if an error occurs trying to set up the listener on the target COM object,
     * see exception cause for details.
     *
     */
    IComEventCallbackCookie advise(Class comEventCallbackInterface, IComEventCallbackListener comEventCallbackListener) throws COMException;

    /**
     * Stop listening for callback events
     *
     * @param comEventCallbackInterface - the interface that is being listened to
     * @param cookie - the cookie that was returned when advise was called
     */
    void unadvise(Class comEventCallbackInterface, final IComEventCallbackCookie cookie) throws COMException;
}