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        20.5  颜色
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                        20.5  颜色
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                    2006-10-13 14:41:00
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                        <div style='float:left;width:49%'>·<a href='100165568.htm'>20.2.4  Region</a></div><div style='float:right;width:49%'>·<a href='100165569.htm'>20.3  调试须知</a></div><div style='float:left;width:49%'>·<a href='100165570.htm'>20.4  绘制可滚动的窗口</a></div><div style='float:right;width:49%'>·<a href='100165572.htm'>20.5.1  红绿蓝(RGB)值</a></div><div style='float:left;width:49%'>·<a href='100165573.htm'>20.5.2  命名的颜色</a></div><div style='float:right;width:49%'>·<a href='100165574.htm'>20.5.3  图形显示模式和安全的调色板</a></div></div>
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                <div id="text"> <link href="css.css" rel="stylesheet" type="text/css" /><h3 style="MARGIN-TOP: 11.4pt; MARGIN-LEFT: 0cm; MARGIN-RIGHT: 0cm; FTEL: 11.4pt"><a ftel="_Toc507815365"><span lang="EN-US">20.5&nbsp; </span></a><span style="FONT-FAMILY: 楷体_GB2312">颜色</span></h3>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">本节介绍如何在绘制图形时指定使用的颜色。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">在</span><span lang="EN-US">GDI+</span><span style="FONT-FAMILY: 宋体">中,颜色用</span><span lang="EN-US">System.Drawing.Color</span><span style="FONT-FAMILY: 宋体">结构的实例来表示。一般情况下,初始化这个结构后,就不能使用对应的</span><span lang="EN-US">Color</span><span style="FONT-FAMILY: 宋体">实例对该结构进行一些操作了</span><span lang="EN-US" style="LETTER-SPACING: -1pt">&mdash;&mdash; </span><span style="FONT-FAMILY: 宋体">只能把它传送给其他需要</span><span lang="EN-US">Color</span><span style="FONT-FAMILY: 宋体">的调用方法。前面我们遇到过这种结构,在前面的每个示例中都设置了窗口客户区域的背景色,还设置了要显示的各种图形的颜色。</span><span lang="EN-US">Form.BackColor</span><span style="FONT-FAMILY: 宋体">属性返回一个</span><span lang="EN-US">Color</span><span style="FONT-FAMILY: 宋体">实例。本节将详细介绍这个结构。特别是要介绍构建</span><span lang="EN-US">Color</span><span style="FONT-FAMILY: 宋体">的几种不同方式。</span></p></div>
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                        <div style='float:left;width:49%'>·<a href='100165568.htm'>20.2.4  Region</a></div><div style='float:right;width:49%'>·<a href='100165569.htm'>20.3  调试须知</a></div><div style='float:left;width:49%'>·<a href='100165570.htm'>20.4  绘制可滚动的窗口</a></div><div style='float:right;width:49%'>·<a href='100165572.htm'>20.5.1  红绿蓝(RGB)值</a></div><div style='float:left;width:49%'>·<a href='100165573.htm'>20.5.2  命名的颜色</a></div><div style='float:right;width:49%'>·<a href='100165574.htm'>20.5.3  图形显示模式和安全的调色板</a></div></div>
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