?? memmapjavaclient.java
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package com.stanley.memmap;import java.awt.*;import java.awt.event.*;import javax.swing.*;public class MemMapJavaClient extends JFrame implements MemMapFileObserver{ protected JButton btnClose; protected JTextArea textArea; protected MemMapProxy proxy; public static final String fileMappingObjName = "Mem_Map_File-{70122C30-0239-4f98-9D21-36885C8A8121}"; //Construct the frame public MemMapJavaClient() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { init(); } catch(Exception e) { e.printStackTrace(); } } //Component initialization private void init() throws Exception { JPanel contentPane = (JPanel) this.getContentPane(); contentPane.setLayout(new BorderLayout()); textArea = new JTextArea(); contentPane.add(textArea, BorderLayout.CENTER); btnClose = new JButton("Close"); btnClose.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { destroy(); } }); JPanel panelBtn = new JPanel(); panelBtn.add(btnClose); contentPane.add(panelBtn, BorderLayout.SOUTH); proxy = new MemMapProxy(this); setSize(new Dimension(400, 300)); setTitle("Test Memory Map File - Java Client"); } private void destroy() { proxy.destroy(); System.exit(0); } public void onDataReady() { int mapFilePtr = MemMapFile.openFileMapping(MemMapFile.FILE_MAP_READ, false, fileMappingObjName); if(mapFilePtr != 0) { int viewPtr = MemMapFile.mapViewOfFile(mapFilePtr, MemMapFile.FILE_MAP_READ, 0, 0, 0); if(viewPtr != 0) { String content = MemMapFile.readFromMem(viewPtr); textArea.setText(content); MemMapFile.unmapViewOfFile(viewPtr); } MemMapFile.closeHandle(mapFilePtr); } } //Overridden so we can exit when window is closed protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { destroy(); } }}?? 快捷鍵說明
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