100165526.htm

来自「C#高级编程(第三版),顶死你们。。 。up」· HTM 代码 · 共 342 行 · 第 1/4 页

<p class="MsoNormal" style="LINE-HEIGHT: 17.5pt"><span lang="EN-US">Application</span><span style="FONT-FAMILY: 宋体">类包含一些非常有用的功能。它提供了一些静态方法和属性，用于控制应用程序的启动和停止过程，访问由应用程序处理的</span><span lang="EN-US">Windows</span><span style="FONT-FAMILY: 宋体">消息。表</span><span lang="EN-US">19-1</span><span style="FONT-FAMILY: 宋体">列出了其中一些比较有用的方法和属性。</span><span lang="EN-US">&nbsp;</span></p>
<p class="a5" style="MARGIN-TOP: 8.15pt"><span style="FONT-FAMILY: 黑体">表</span><span lang="EN-US">&nbsp; 19-1</span></p>
<table class="MsoNormalTable" style="BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BORDER-COLLAPSE: collapse; BORDER-BOTTOM-STYLE: none" cellspacing="0" cellpadding="0" border="1">
    <tbody>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt; WIDTH: 118.8pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid" valign="top" width="158">
            <p class="a2"><span style="FONT-FAMILY: 黑体">方法</span><span lang="EN-US">/</span><span style="FONT-FAMILY: 黑体">属性</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a2"><span style="FONT-FAMILY: 黑体">说</span><span lang="EN-US">&nbsp; </span><span style="FONT-FAMILY: 黑体">明</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">CommonAppDataPath</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">对应用程序的所有用户都通用的数据路径。一般是</span><span lang="EN-US">BasePath\Company Name\Product Name\Version</span><span style="FONT-FAMILY: 宋体">，其中</span><span lang="EN-US">BasePath</span><span style="FONT-FAMILY: 宋体">是</span><span lang="EN-US">C:\Documents and Settings\ username\ApplicationData</span><span style="FONT-FAMILY: 宋体">。如果该路径不存在，就创建一个</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">ExecutablePath</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">这是启动应用程序的可执行文件的路径和文件名</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">LocalUserAppDataPath</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">类似于</span><span lang="EN-US">CommonAppDataPath</span><span style="FONT-FAMILY: 宋体">，但这个属性支持漫游</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">MessageLoop</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">如果在当前线程上存在消息循环，就返回</span><span lang="EN-US">Ture</span><span style="FONT-FAMILY: 宋体">，否则返回</span><span lang="EN-US">false</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">StartupPath</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">类似于</span><span lang="EN-US">ExecutablePath</span><span style="FONT-FAMILY: 宋体">，但不返回文件名</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">AddMessageFilter</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">用于处理前的消息。在基于</span><span lang="EN-US">IMessagerFilter</span><span style="FONT-FAMILY: 宋体">的对象上执行，消息可以从消息循环中过滤出来，或者在消息发送到循环中之前进行特殊的处理</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">DoEvents</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">类似于</span><span lang="EN-US">Visual Basic</span><span style="FONT-FAMILY: 宋体">的</span><span lang="EN-US">DoEvents</span><span style="FONT-FAMILY: 宋体">语句，允许处理队列中的消息</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">EnableVisualStyles</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">允许对应用程序的各种可视化元素使用</span><span lang="EN-US">XP</span><span style="FONT-FAMILY: 宋体">可视化样式。</span><span lang="EN-US">FlatStyle</span><span style="FONT-FAMILY: 宋体">属性应设置为</span><span lang="EN-US">FlatStyle.System</span></p>
            </td>
        </tr>
        <tr>
            <td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 118.8pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT-STYLE: none" valign="top" width="158">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">Exit</span><span style="FONT-FAMILY: 宋体">和</span><span lang="EN-US">ExitThread</span></p>
            </td>
            <td style="PADDING-RIGHT: 5.4pt; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; WIDTH: 322.85pt; BORDER-TOP-STYLE: none; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none" valign="top" width="430">
            <p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">Exit</span><span style="FONT-FAMILY: 宋体">结束所有当前运行的消息循环，并退出应用程序。</span><span lang="EN-US">ExitThread</span><span style="FONT-FAMILY: 宋体">只结束当前线程上的消息循环</span></p>
            </td>
        </tr>
    </tbody>
</table>