100165496.htm

来自「C#高级编程(第三版),顶死你们。。 。up」· HTM 代码 · 共 109 行 · 第 1/2 页

<p class="a3" style="MARGIN-TOP: 8.15pt; FTEL: 21.45pt"><span style="FONT-FAMILY: 黑体">提示：</span></p>
<p class="a1" style="FTEL: 21.45pt"><span style="FONT-FAMILY: 楷体_GB2312">如果程序集是使用</span><span lang="EN-US">Visual Studio .NET</span><span style="FONT-FAMILY: 楷体_GB2312">创建的，就可以在以后修改资源的可视性。使用</span><span lang="EN-US">ildasm</span><span style="FONT-FAMILY: 楷体_GB2312">打开程序集，用</span><span lang="EN-US">File | Dump</span><span style="FONT-FAMILY: 楷体_GB2312">生成一个</span><span lang="EN-US">MSIL</span><span style="FONT-FAMILY: 楷体_GB2312">源文件。接着就可以使用一个文本编辑器来修改</span><span lang="EN-US">MSIL</span><span style="FONT-FAMILY: 楷体_GB2312">代码了。使用文本编辑器可以把</span><span lang="EN-US">.mresource public</span><span style="FONT-FAMILY: 楷体_GB2312">改为</span><span lang="EN-US"> .mresource private</span><span style="FONT-FAMILY: 楷体_GB2312">。利用工具</span><span lang="EN-US">ildasm</span><span style="FONT-FAMILY: 楷体_GB2312">，您可以用这段</span><span lang="EN-US">MSIL</span><span style="FONT-FAMILY: 楷体_GB2312">源代码：</span><span lang="EN-US">ilasm /exe ResourceDemo.il</span><span style="FONT-FAMILY: 楷体_GB2312">重新生成程序集。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">在该</span><span lang="EN-US">Windows</span><span style="FONT-FAMILY: 宋体">应用程序中，把</span><span lang="EN-US">Windows Forms</span><span style="FONT-FAMILY: 宋体">元素从工具箱拖放到设计器中，添加一些文本框和一个图形，以显示资源中的值。修改文本框和标签的</span><span lang="EN-US">Text </span><span style="FONT-FAMILY: 宋体">和</span><span lang="EN-US"> Name</span><span style="FONT-FAMILY: 宋体">属性，如下面的代码所示。将</span><span lang="EN-US">PictureBox</span><span style="FONT-FAMILY: 宋体">的</span><span lang="EN-US">Name</span><span style="FONT-FAMILY: 宋体">属性改为</span><span lang="EN-US">logo</span><span style="FONT-FAMILY: 宋体">。图</span><span lang="EN-US">17-11</span><span style="FONT-FAMILY: 宋体">显示了窗体设计器中的最终窗体，</span><span lang="EN-US">PictureBox</span><span style="FONT-FAMILY: 宋体">控件显示为一个放在左上角的没有网格的矩形。</span></p>
<p align="center"><span lang="EN-US"><img height="213" src="17/image011.jpg" width="214" alt="" /></span></p>
<p style="FTEL: 8.15pt" align="center"><span style="FONT-FAMILY: 宋体">图</span><span lang="EN-US">&nbsp; 17-11</span></p>
<p class="MsoNormal" style="LINE-HEIGHT: 15pt"><span style="FONT-FAMILY: 宋体">要访问嵌入的资源，可以使用</span><span lang="EN-US">System.Resources</span><span style="FONT-FAMILY: 宋体">命名空间中的</span><span lang="EN-US">ResourceManager</span><span style="FONT-FAMILY: 宋体">类。把嵌入了资源的程序集传递给</span><span lang="EN-US">ResourceManager</span><span style="FONT-FAMILY: 宋体">类的构造函数。在本例中，是把资源嵌入到正在执行的程序集中，所以应把</span><span lang="EN-US">Assembly.GetExecutingAssembly()</span><span style="FONT-FAMILY: 宋体">的结果作为构造函数的第二个参数。第一个参数是资源的根名。根名由命名空间和资源文件名</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体">不带资源扩展名</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体">组成。如前所述，使用</span><span lang="EN-US">ildasm</span><span style="FONT-FAMILY: 宋体">来显示该名称。为此，只需删除资源的扩展名</span><span lang="EN-US">resources</span><span style="FONT-FAMILY: 宋体">即可。还可以使用</span><span lang="EN-US">System.Reflection.Assembly </span><span style="FONT-FAMILY: 宋体">类的</span><span lang="EN-US">GetManifestResourceNames()</span><span style="FONT-FAMILY: 宋体">方法获取该名称。</span></p>
<p class="2" style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="EN-US">using System.Reflection;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">using System.Resources;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">//&hellip;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public class Form1() : System.Windows.Forms.Form</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 46.2pt"><span lang="EN-US">&nbsp; // ...</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 55.6pt"><span lang="EN-US">private System.Resources.ResourceManager rm;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public Form1()</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // Required for Windows Form Designer support</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; InitializeComponent();</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;Assembly assembly = Assembly.GetExecutingAssembly();</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;</span></p>
<p class="2" style="MARGIN-TOP: 0cm; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rm = new ResourceManager(&quot;ResourceDemo.Demo&quot;, assembly);</span></p>
<p class="MsoNormal" style="LINE-HEIGHT: 15pt"><span style="FONT-FAMILY: 宋体">使用</span><span lang="EN-US">ResourceManager</span><span style="FONT-FAMILY: 宋体">实例</span><span lang="EN-US">rm</span><span style="FONT-FAMILY: 宋体">，通过指定方法</span><span lang="EN-US">GetObject()</span><span style="FONT-FAMILY: 宋体">和</span><span lang="EN-US">GetString()</span><span style="FONT-FAMILY: 宋体">的键，就可以获得所有的资源：</span></p>
<p class="2" style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; logo.Image = (Image)rm.GetObject(&quot;WroxLogo&quot;);</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; textTitle.Text = rm.GetString(&quot;Title&quot;);</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; textChapter.Text = rm.GetString(&quot;Chapter&quot;);</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; textAuthor.Text = rm.GetString(&quot;Author&quot;);</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; LINE-HEIGHT: 13pt; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; textPublisher.Text = rm.GetString(&quot;Publisher&quot;);</span></p>
<p class="a6" style="MARGIN-TOP: 0cm; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">运行这段代码，会得到如图</span><span lang="EN-US">17-12</span><span style="FONT-FAMILY: 宋体">所示的字符串和图片资源。</span></p>
<p align="center"><span lang="EN-US"><img height="167" src="17/image012.jpg" width="167" alt="" /></span></p>
<p style="FTEL: 8.15pt" align="center"><span style="FONT-FAMILY: 宋体">图</span><span lang="EN-US">&nbsp; 17-12</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">下面继续讨论本地化和本地化资源文件的使用。</span></p></div>
                <!-- page -->
                <div class="page" style="text-align: center">
                    <a href="100165495.htm">上一页</a>&nbsp;&nbsp;&nbsp;<a href="index.html">首页</a>&nbsp;&nbsp;&nbsp;<a href="100165497.htm">下一页</a>
                </div>
                <div style="margin: 0px auto; width: 700px; border: solid 1px #0b5f98;">
                    <div style="float: left; width: 16px; background-color: #0b5f98; color: White; padding: 1px;">
                        图书导读
                    </div>
                    <div style="float: right; width: 670px; text-align: left; line-height: 16pt; padding-left: 2px">
                        <!--导读-->
                        <h1 id="divCurrentNode2" style="color: #b83507; width: 100%; text-align: left; font-size: 12px; padding-left: 2px">当前章节:<a href='100165496.htm'><font color='red'>17.2.4  使用资源文件</font></a></h1>
                        <div id="divRealteNod2" style="padding-left: 2px">
                        <div style='float:left;width:49%'>·<a href='100165493.htm'>17.2.1  创建资源文件</a></div><div style='float:right;width:49%'>·<a href='100165494.htm'>17.2.2  ResGen</a></div><div style='float:left;width:49%'>·<a href='100165495.htm'>17.2.3  ResourceWriter</a></div><div style='float:right;width:49%'>·<a href='100165497.htm'>17.2.5  System.Resources命名空间</a></div><div style='float:left;width:49%'>·<a href='100165498.htm'>17.3  使用Visual Studio .NET的本地化示例</a></div><div style='float:right;width:49%'>·<a href='100165499.htm'>17.3.1  外包翻译</a></div></div>
                    </div>
                </div>
                </div>
        </div>
</body>
</html>