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17.3.2 编程修改文化
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17.3.2 编程修改文化
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2006-10-13 14:41:00
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<div style='float:left;width:49%'>·<a href='100165497.htm'>17.2.5 System.Resources命名空间</a></div><div style='float:right;width:49%'>·<a href='100165498.htm'>17.3 使用Visual Studio .NET的本地化示例</a></div><div style='float:left;width:49%'>·<a href='100165499.htm'>17.3.1 外包翻译</a></div><div style='float:right;width:49%'>·<a href='100165501.htm'>17.3.3 使用二进制资源文件</a></div><div style='float:left;width:49%'>·<a href='100165502.htm'>17.3.4 使用XML资源文件</a></div><div style='float:right;width:49%'>·<a href='100165503.htm'>17.3.5 资源的自动回退</a></div></div>
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<div id="text"> <link href="css.css" rel="stylesheet" type="text/css" /><h3 style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 0cm; MARGIN-RIGHT: 0cm; FTEL: 8.15pt"><span lang="EN-US">17.3.2 </span><span style="FONT-FAMILY: 黑体">编程修改文化</span></h3>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">在翻译资源，建立辅助程序集后，就可以根据为用户配置的文化获得正确的译文。此时不翻译欢迎信息，它们是以另一种方式翻译的，稍后讨论。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">除了系统配置外，还可以把语言代码当作命令行参数传递给应用程序，以便进行测试。修改</span><span lang="EN-US">Main()</span><span style="FONT-FAMILY: 宋体">方法和</span><span lang="EN-US">BookOfTheDayForm </span><span style="FONT-FAMILY: 宋体">构造函数，以支持命令行参数。在</span><span lang="EN-US">Main()</span><span style="FONT-FAMILY: 宋体">方法中，把文化字符串传递给</span><span lang="EN-US">BookOfTheDayForm</span><span style="FONT-FAMILY: 宋体">构造函数。在构造函数中，必须做进一步的修改：创建一个</span><span lang="EN-US">CultureInfo </span><span style="FONT-FAMILY: 宋体">实例，把它传递给当前线程的</span><span lang="EN-US">CurrentCulture </span><span style="FONT-FAMILY: 宋体">和</span><span lang="EN-US"> CurrentUICulture </span><span style="FONT-FAMILY: 宋体">属性。记住</span><span lang="EN-US">CurrentCulture </span><span style="FONT-FAMILY: 宋体">用于格式化，而</span><span lang="EN-US">CurrentUICulture </span><span style="FONT-FAMILY: 宋体">用于加载资源。</span></p>
<p class="a6" style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="ES">[STAThread]</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES">static void Main(string[] args) </span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES">{</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> string culture = "";</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> if (args.Length == 1)</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> culture = args[0];</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> }</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> Application.Run(new BookOfTheDayForm(culture));</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES">}</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES">public BookOfTheDayForm(string culture)</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES">{</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> if (culture != "")</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> CultureInfo ci = new CultureInfo(culture);</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> // set culture for formatting</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> Thread.CurrentThread.CurrentCulture = ci;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> // set culture for resources</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> Thread.CurrentThread.CurrentUICulture = ci;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> }</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> WelcomeMessage();</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> //</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> // Required for Windows Form Designer support</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> //</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> InitializeComponent();</span></p>
<p class="a6" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="ES"> SetDateAndNumber();</span></p>
<p class="a6" style="MARGIN-TOP: 0cm; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="ES">}</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">现在可以使用命令行选项启动应用程序</span><span style="FONT-FAMILY: 宋体">，查看</span><span style="FONT-FAMILY: 宋体">格式化选项和在</span><span lang="ES">Windows</span><span style="FONT-FAMILY: 宋体">窗体设计器</span><span style="FONT-FAMILY: 宋体">中生成的资源。图</span><span lang="EN-US">17-16</span><span style="FONT-FAMILY: 宋体">和图</span><span lang="EN-US">17-7</span><span style="FONT-FAMILY: 宋体">分别显示了使用</span><span lang="EN-US">fr-fr</span><span style="FONT-FAMILY: 宋体">和</span><span lang="EN-US">de-de </span><span style="FONT-FAMILY: 宋体">命令行选项启动的应用程序。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">欢迎信息框还有一个问题，这些字符串在程序中都是硬编码的。因为这些字符串都不是窗体中元素的属性，所以</span><span style="FONT-FAMILY: 宋体">窗体设计器</span><span style="FONT-FAMILY: 宋体">就不能像</span><span lang="EN-US">InitalizeComponent()</span><span style="FONT-FAMILY: 宋体">方法中的属性那样，通过改变窗体的</span><span lang="EN-US">Localizable</span><span style="FONT-FAMILY: 宋体">属性提取</span><span lang="EN-US">XML</span><span style="FONT-FAMILY: 宋体">资源。而必须自己创建资源。下面两节对二进制文件和基于</span><span lang="EN-US">XML</span><span style="FONT-FAMILY: 宋体">的资源文件进行本地化。</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p align="center"><span lang="EN-US"><img height="191" src="17/image016.jpg" width="201" alt="" /> <img height="190" src="17/image017.jpg" width="194" alt="" /></span></p>
<p style="FTEL: 8.15pt" align="center"><span style="FONT-FAMILY: 宋体">图</span><span lang="EN-US"> 17-16 </span><span style="FONT-FAMILY: 宋体">图</span><span lang="EN-US"> 17-17</span></p></div>
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