📄 c++ builder 程序设计实用教程 - 2_4 文本备忘录组件 - 张晋 - 17xie.htm
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<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>2-13<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'">颜色设置对话框</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'">能够实现以上功能的具体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。</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'">接着向窗体上添加四个</SPAN><SPAN
lang=EN-US>Button</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件、一个</SPAN><SPAN
lang=EN-US>OpenDialog</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件、一个</SPAN><SPAN
lang=EN-US>SaveDialog</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件、一个</SPAN><SPAN
lang=EN-US>FontDialog</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件和一个</SPAN><SPAN
lang=EN-US>ColorDialog</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，添加组件后的窗体如图</SPAN><SPAN
lang=EN-US>2-14</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_4 文本备忘录组件 - 张晋 - 17xie.files/726ee22533.jpg"
width=324 v:shapes="_x0000_i1027"><SPAN
style="mso-spacerun: yes">
</SPAN></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>2-14<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'">窗体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
= 191</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
= 544</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Height = 375</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Caption = 'Form1'</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object Memo1: TMemo</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 40</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 96</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Width = 337</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Height = 201</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Lines.Strings = ( 'Memo1')</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>ScrollBars = ssBoth</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object Button1: TButton</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 392</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 96</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Width = 97</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Height = 33</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Caption = '</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">打开文件</SPAN><SPAN
lang=EN-US>'</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object Button2: TButton</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 392</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 152</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Width = 97</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Height = 33</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Caption = '</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">存储文件</SPAN><SPAN
lang=EN-US>'</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object Button3: TButton</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 392</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 208</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Width = 97</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Height = 33</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Caption = '</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">字体设置</SPAN><SPAN
lang=EN-US>'</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object Button4: TButton</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 392</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 264</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Width = 97</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Height = 33</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Caption = '</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">颜色设置</SPAN><SPAN
lang=EN-US>'</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object OpenDialog1: TOpenDialog</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 144</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 56</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object SaveDialog1: TSaveDialog</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 112</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 56</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object FontDialog1: TFontDialog</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 176</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 56</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>object ColorDialog1: TColorDialog</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Left = 208</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>Top = 56</SPAN></P>
<P class=a1><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN>end</SPAN></P>
<P class=a1><SPAN lang=EN-US>end</SPAN></P>
<H4><SPAN lang=EN-US>2</SPAN><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．程序的初始化</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'">程序的初始化过程，也就是对窗体</SPAN><SPAN
lang=EN-US>FormCreate()</SPAN><SPAN
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