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📁 《Big C++ 》Third Edition电子书和代码全集-Part1

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	<title>Big C++: Chptr. 27 -- Graphical User Interfaces</title>
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  <meta name="Copyright" content="2005 John Wiley & Sons">
  <meta name="Author" content="Kurt Schmidt">
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<h2><font color='#009999'>27.6 Layout Management</font></h2>
<ul>
  <li><font size="+1">The next sample program uses buttons instead of menus.</font></li>
  <li><font size="+1">Each button has an ID, and the event table matches the ID 
    with a function. 
    <blockquote> 
      <pre>BEGIN_EVENT_TABLE(ButtonFrame, wxFrame)
   EVT_BUTTON(IS_SAY_HELLO, ButtonFrame::OnSayHello)
END_EVENT_TABLE()</pre>
    </blockquote>
    </font></li>
  <li><font size="+1">When you construct a button, you specify the parent window, 
    the button ID, and the button label. 
    <blockquote> 
      <pre>wxButton* hello_button = new wxButton(this,
   IS_SAY_HELLO, &quot;Say Hello&quot;);</pre>
    </blockquote>
    </font> </li>
  <li><font size="+1">The event handler has the same form as the menu event handler. 
    <blockquote> 
      <pre>void ButtonFrame::OnSayHello(wxCommandEvent&amp; event)
{
   text-&gt;AppendText(&quot;Hello, World!\n&quot;);
}</pre>
    </blockquote>
    </font> </li>
</ul>
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