📄 c++ builder 程序设计实用教程 - 2_6 状态条组件 - 张晋 - 17xie.htm
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<H2><A name=_Toc392381191><SPAN lang=EN-US>2.6<SPAN
style="mso-spacerun: yes"> </SPAN></SPAN></A><SPAN
style="mso-bookmark: _Toc392381191"><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">状态条</SPAN></SPAN><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">组件</SPAN></H2>
<P class=MsoNormalIndent><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在编程过程中,我们经常需要知道当前光标的位置,特别是大的应用程序,光标位置的定位就显得尤其重要。另外,在工作的过程中,怎样才能够随时的获得当前的时间呢,在</SPAN><SPAN
lang=EN-US>Windows</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">操作系统中,以上两个问题通过状态条都可以轻而易举的完成,一个典型的状态条如图</SPAN><SPAN
lang=EN-US>2-25</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示。</SPAN></P>
<P class=a><SPAN lang=EN-US><IMG height=231
src="C++ Builder 程序设计实用教程 - 2_6 状态条组件 - 张晋 - 17xie.files/8a5ed3680e.jpg"
width=280 v:shapes="_x0000_i1025"></SPAN></P>
<P class=MsoCaption><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">图</SPAN><SPAN
lang=EN-US>2-25<SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">典型的系统状态条</SPAN></P>
<P class=MsoNormalIndent><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在如图</SPAN><SPAN
lang=EN-US>2-25</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示的状态条中,我们可以直观的得到如下的信息:当前的光标位于代码窗口的第</SPAN><SPAN
lang=EN-US>9</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">行第</SPAN><SPAN
lang=EN-US>7</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">列,当前的键盘输入状态为</SPAN><SPAN
lang=EN-US>Insert</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">状态等。下面就以一个制作状态条应用程序的实例来说明</SPAN><SPAN
lang=EN-US>CBuilder 5</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">中的</SPAN><SPAN
lang=EN-US>Panel</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件、</SPAN><SPAN
lang=EN-US>SpeedButton</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件和</SPAN><SPAN
lang=EN-US>StatusBar</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件的使用方法,具体的程序制作步骤如下所示。</SPAN></P>
<H4><SPAN lang=EN-US>1</SPAN><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">.开始工作</SPAN></H4>
<P class=MsoNormalIndent><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">首先启动一个新的项目,选择菜单</SPAN><SPAN
lang=EN-US>File</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">中的</SPAN><SPAN
lang=EN-US>New Application</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">项,在</SPAN><SPAN
lang=EN-US>CBuilder 5</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的集成开发环境中就会弹出一个新建的窗体,在组件工具栏上选择</SPAN><SPAN
lang=EN-US>Standard</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">选项后,在</SPAN><SPAN
lang=EN-US>Memo</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件的图标上双击鼠标的左键,这时空白的窗体上就会出现一个</SPAN><SPAN
lang=EN-US>Memo</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件。添加</SPAN><SPAN
lang=EN-US>Memo</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件后,把鼠标移动到组件工具栏上的其它选项上,向窗体上添加</SPAN><SPAN
lang=EN-US>1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个</SPAN><SPAN
lang=EN-US>Panel</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件、</SPAN><SPAN
lang=EN-US>4</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个</SPAN><SPAN
lang=EN-US>SpeedButton</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件、</SPAN><SPAN
lang=EN-US>3</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个</SPAN><SPAN
lang=EN-US>StatusBar</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件,各个组件的功能在后面将予以详细的介绍。</SPAN></P>
<P class=MsoNormalIndent><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">添加组件后的窗体如图</SPAN><SPAN
lang=EN-US>2-26</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示。</SPAN></P>
<P class=a><SPAN lang=EN-US><IMG height=220
src="C++ Builder 程序设计实用教程 - 2_6 状态条组件 - 张晋 - 17xie.files/6034b7c5be.jpg"
width=284 v:shapes="_x0000_i1026"></SPAN></P>
<P class=MsoCaption><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">图</SPAN><SPAN
lang=EN-US>2-26<SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">添加组件后的窗体</SPAN></P>
<P class=MsoNormalIndent><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">其中各个组件的属性设置如下所示:</SPAN></P>
<P class=a1><SPAN lang=EN-US>object Form1: TForm1</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN>Left
= 192</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN>Top =
107</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN>Width
= 434</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Height = 336</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
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