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Visual C++面向对象程序设计教程（配套习题资源）

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<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><font size="2"><font LANG="ZH-CN">在鼠标消息中，参数</font>lParam<font LANG="ZH-CN">包含了鼠标位置，</font>lParam<font LANG="ZH-CN">所表示的坐标是相当于窗口的左上角为原点的坐标值；参数</font>wParam<font LANG="ZH-CN">内包含了一个指示各种虚键状态的值。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></font></p>
<p ALIGN="JUSTIFY" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><font size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  
<font LANG="ZH-CN">表</font>13-5 <font LANG="ZH-CN">参数</font>wParam<font LANG="ZH-CN">中的值</font></font></p> 
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      <p class="MsoHeading8"><font size="2">值<span lang="EN-US"><o:p>
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      <p class="MsoHeading8"><font size="2">含义<span lang="EN-US"><o:p>
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      <p class="MsoHeading8"><font size="2">值<span lang="EN-US"><o:p>
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      <p class="MsoHeading8"><font size="2">含义<span lang="EN-US"><o:p>
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