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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'>27.3 Adding a Text Control to the Frame</font></h2>
<ul>
  <li><font size="+1">Again, we use inheritance to define our own, more interesting, 
    type of frame.</font></li>
  <li><font size="+1">This frame contains a text area into which users can type 
    any text.</font><font size="+1"> 
    <blockquote> 
      <pre>class TextFrame : public wxFrame
{
public:
   TextFrame();
private:
   wxTextCtrl* text;
};</pre>
    </blockquote>
    </font></li>
  <li><font size="+1">The constructor initializes the base class and the text 
    control: 
    <blockquote> 
      <pre>TextFrame::TextFrame()
   : wxFrame(NULL, -1, &quot;TextFrame&quot;)
{
   text = new wxTextCtrl(this, -1, &quot;Type some text here!&quot;,
      wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE);
}</pre>
    </blockquote>
    </font></li>
  <li><font size="+1">Note that first parameter (<tt>this</tt>) indicates that 
    the parent of the text control is this frame.</font> </li>
  <li><font size="+1">The next two parameters indicate a default window ID and 
    initial contents of the text control.</font></li>
  <li><font size="+1">The next two parameters indicate default size and position.</font></li>
  <li><font size="+1">The final parameter turns on the &quot;multiline&quot; style, 
    which allows the text control to hold multiple lines of text.</font></li>
</ul>
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