/******************************************************************************* * Copyright (c) 2000, 2003 IBM Corporation 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 API and implementation *******************************************************************************/package org.eclipse.swt.internal.ole.win32;import org.eclipse.swt.internal.win32.*;public class IDispatch extends IUnknown{public IDispatch(int address) {	super(address);}public int GetIDsOfNames(GUID riid, String[] rgszNames, int cNames, int lcid, int[] rgDispId) {	char[] buffer;	int size = rgszNames.length;	// create an array to hold the addresses	int hHeap = OS.GetProcessHeap();	int ppNames = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, size*4);	int[] memTracker = new int[size];		try {			// add the address of each string to the array				for (int i=0; i<size; i++){			// create a null terminated array of char for each String			int nameSize = rgszNames[i].length();			buffer = new char[nameSize +1];			rgszNames[i].getChars(0, nameSize, buffer, 0);			// get the address of the start of the array of char			int pName = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, buffer.length * 2);			OS.MoveMemory(pName, buffer, buffer.length * 2);			// copy the address to the array of addresses			COM.MoveMemory(ppNames + 4*i, new int[]{pName}, 4);			// keep track of the Global Memory so we can free it			memTracker[i] = pName;		}			return COM.VtblCall(5, address, new GUID(), ppNames, cNames, lcid, rgDispId);			} finally {		// free the memory		for (int i=0; i<memTracker.length; i++){			OS.HeapFree(hHeap, 0, memTracker[i]);		}		OS.HeapFree(hHeap, 0, ppNames);	}}public int GetTypeInfo(int iTInfo, int lcid, int[] ppTInfo ){	return COM.VtblCall(4, address, iTInfo, lcid, ppTInfo);}public int GetTypeInfoCount(int[] pctinfo ){	return COM.VtblCall(3, address, pctinfo);}public int Invoke(int dispIdMember, GUID riid, int lcid, int dwFlags, DISPPARAMS pDispParams, int pVarResult, EXCEPINFO pExcepInfo, int pArgErr[]) {	return COM.VtblCall(6, address, dispIdMember, riid, lcid, dwFlags, pDispParams, pVarResult, pExcepInfo, pArgErr);}}