SWT内嵌第三方应用程序关闭的问题

[tatawangtao]

最近有个项目，要求用一个软件集成另外三个软件
查了些资料，发现只能用SWT来做

做了一个demo出来，发现了一个问题
比如我现在的demo是内嵌了notepad程序
在notepad中输入一些字符，然后关闭SWT窗口
我希望的是弹出保存对话框，可是没有弹出对话框，窗体就直接关闭了
请问有解决的办法吗

package test;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.internal.win32.OS;
import org.eclipse.swt.internal.win32.SHELLEXECUTEINFO;
import org.eclipse.swt.internal.win32.TCHAR;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class Main {

	private Shell sShell = null; // @jve:decl-index=0:visual-constraint="10,10"
	private Composite composite = null;
	private Button button = null;

	/**
	 * This method initializes composite
	 * 
	 */
	private void createComposite() {
		composite = new Composite(sShell, SWT.NONE);
		composite.setLayout(new GridLayout());
		composite.setBounds(new Rectangle(3, 41, 1000, 600));
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Display display = Display.getDefault();
		Main thisClass = new Main();
		thisClass.createSShell();
		thisClass.sShell.open();

		while (!thisClass.sShell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();

	}

	/**
	 * This method initializes sShell
	 */
	private void createSShell() {
		sShell = new Shell();
		sShell.setText("Shell");
		createComposite();
		sShell.setSize(new Point(1200, 700));
		sShell.setLayout(null);
		button = new Button(sShell, SWT.NONE);
		button.setText("启动");
		button.setBounds(new Rectangle(10, 4, 110, 22));
		button.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() {
			public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
				try {
					startNotePad();
				} catch (Exception e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
			}
		});
	}

	private void executeProg(String fileName) throws Exception {
		int hHeap = OS.GetProcessHeap();
		TCHAR buffer = new TCHAR(0, fileName, true);
		int byteCount = buffer.length() * TCHAR.sizeof;
		int lpFile = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
		OS.MoveMemory(lpFile, buffer, byteCount);
		SHELLEXECUTEINFO info = new SHELLEXECUTEINFO();
		info.cbSize = SHELLEXECUTEINFO.sizeof;
		info.lpFile = lpFile;
		// 隐藏启动
		info.nShow = OS.SW_HIDE;
		boolean result = OS.ShellExecuteEx(info);
		if (lpFile != 0)
			OS.HeapFree(hHeap, 0, lpFile);
		if (result == false)
			throw new Exception("启动失败!");
	}

	protected void startNotePad() throws Exception {
		// "notepad.exe"为待启动的程序名
		executeProg("notepad.exe");

		// 等待NotePad.exe启动并且初始化完毕，需要根据实际情况调整sleep的时间
		Thread.sleep(1000);

		// "Notepad"为被嵌套程序窗口的ClassName(Win32级别)，可以使用Spy++等工具查看
		int notepadHwnd = OS.FindWindow(new TCHAR(0, "NotePad", true), null);

		// &~WS_BORDER去掉内嵌程序边框，这样看起来更像一个内嵌的程序。如果需要显示边框，则将这两行代码删除
		int oldStyle = OS.GetWindowLong(notepadHwnd, OS.GWL_STYLE);
		OS.SetWindowLong(notepadHwnd, OS.GWL_STYLE, oldStyle & ~OS.WS_BORDER);

		// composite为承载被启动程序的控件
		OS.SetParent(notepadHwnd, composite.handle);

		// 窗口最大化
		OS.SendMessage(notepadHwnd, OS.WM_SYSCOMMAND, OS.SC_MAXIMIZE, 0);
	}

}