📄 c++ builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.htm

📁 已经消失的不易找到的C++ builder网络教程总结
💻 HTM
📖 第 1 页 / 共 2 页
字号:
12 下一页
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<!-- saved from url=(0044)http://www.17xie.com/read.php?bid=303&seq=33 -->
<HTML xmlns:st1 xmlns:o><HEAD><TITLE>C++ Builder 程序设计实用教程 - 4.1.2 椭圆的绘制 - 张晋 - 17xie</TITLE>
<META http-equiv=Content-Type content="text/html; charset=utf-8"><LINK 
href="C++ Builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.files/17xie.css" 
type=text/css rel=stylesheet><LINK 
href="C++ Builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.files/read.css" 
type=text/css rel=stylesheet>
<SCRIPT src="C++ Builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.files/core.js" 
type=text/javascript></SCRIPT>

<SCRIPT src="C++ Builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.files/iframe.js" 
type=text/javascript></SCRIPT>

<SCRIPT src="C++ Builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.files/dialog.js" 
type=text/javascript></SCRIPT>

<SCRIPT src="C++ Builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.files/ajax.js" 
type=text/javascript></SCRIPT>

<SCRIPT src="C++ Builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.files/cookie.js" 
type=text/javascript></SCRIPT>

<META content="MSHTML 6.00.2900.3020" name=GENERATOR></HEAD>
<BODY>
<DIV id=m-body>
<DIV id=read-top>
<DIV style="FLOAT: left"><A href="http://www.17xie.com/" target=_blank><IMG 
src="C++ Builder 程序设计实用教程 - 4_1_2 椭圆的绘制 - 张晋 - 17xie.files/booklogo.gif"></A></DIV>
<DIV id=read-menu><NOBR><A 
onclick="APIframe.open('快速登录','/m/user/poplogin.php',400,160)" 
href="javascript:void(0)">登录</A> <A 
onclick="APIframe.open('17xie-快速注册','/m/user/reg.php',480,460)" 
href="javascript:void(0)">注册</A> | <A href="http://www.17xie.com/" 
target=_blank>首页</A> <A href="http://www.17xie.com/bbs/index.php?ishow=y" 
target=_blank>论坛</A> <A href="http://www.17xie.com/user.php" 
target=_blank>会员中心</A> <A href="http://www.17xie.com/help/" 
target=_blank>帮助</A></NOBR></DIV></DIV>
<DIV id=read-title>
<DIV 
style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FLOAT: left; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><A 
href="http://www.17xie.com/" target=_blank>17xie</A> &gt; <A 
href="http://www.17xie.com/book.php?bid=303">C++ Builder 程序设计实用教程</A> &gt; 4.1.2 
椭圆的绘制</DIV>
<DIV 
style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FLOAT: right; PADDING-BOTTOM: 0px; PADDING-TOP: 4px"><INPUT class=button-red8 onclick="window.location.href='/m/book/write.php?pid=5538'" type=button value=点击编辑本页></DIV></DIV>
<DIV id=read-mpage>
<DIV 
style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FLOAT: left; PADDING-BOTTOM: 8px; PADDING-TOP: 8px">背景： 
<SPAN class=chcolor style="BACKGROUND-COLOR: #eeeeff" 
onclick="chcolor('#eeeeff')">&nbsp;&nbsp;</SPAN> <SPAN class=chcolor 
style="BACKGROUND-COLOR: #ffeeee" 
onclick="chcolor('#ffeeee')">&nbsp;&nbsp;</SPAN> <SPAN class=chcolor 
style="BACKGROUND-COLOR: #eeffee" 
onclick="chcolor('#eeffee')">&nbsp;&nbsp;</SPAN> <SPAN class=chcolor 
style="BACKGROUND-COLOR: #ffffee" 
onclick="chcolor('#ffffee')">&nbsp;&nbsp;</SPAN> <SPAN class=chcolor 
style="BACKGROUND-COLOR: #eeeeee" 
onclick="chcolor('#eeeeee')">&nbsp;&nbsp;</SPAN> <SPAN class=chcolor 
style="BACKGROUND-COLOR: #ffffff" 
onclick="chcolor('#ffffff')">&nbsp;&nbsp;</SPAN> </DIV>
<DIV 
style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FLOAT: right; PADDING-BOTTOM: 0px; PADDING-TOP: 3px">
<TABLE>
  <TBODY>
  <TR>
    <TD><NOBR><SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=1'">|&lt;</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=32'">上一页</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=30'">30</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=31'">31</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=32'">32</SPAN> 
      <SPAN class=page-here 
      onclick="window.location.href='/read.php?bid=303&amp;seq=33'">33</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=34'">34</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=35'">35</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=36'">36</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=34'">下一页</SPAN> 
      <SPAN class=page-nor 
      onclick="window.location.href='/read.php?bid=303&amp;seq=105'">&gt;|</SPAN></NOBR>.</TD>
    <TD><INPUT class=input-text 
      onkeydown='if(window.event.keyCode==13)window.location.href="/read.php?bid=303&amp;seq="+this.value' 
      style="WIDTH: 25px"></TD>
    <TD style="PADDING-TOP: 2px">[共105页]</TD></TR></TBODY></TABLE></DIV></DIV>
<DIV id=read-conts style="BACKGROUND-COLOR: #ffffff"><SPAN 
style="FONT-SIZE: 12px">本页字数：2011&nbsp;&nbsp;&nbsp;&nbsp;最后更新：<NOBR>12天以前</NOBR> 
<NOBR>[11-30 11:47]</NOBR> 由 <A onclick='$showu(1271,"张晋")' 
href="javascript:void(0)">张晋</A> 编辑&nbsp;&nbsp;&nbsp;&nbsp;<A class=aline 
style="COLOR: red" href="http://www.17xie.com/m/user/inviter_reg.php" 
target=_blank>注册17xie 一起来写书 实现您的出书梦想！</A></SPAN> 
<HR>

<CENTER>
<DIV style="WIDTH: 547px; TEXT-ALIGN: left">
<DIV class=Section1 style="LAYOUT-GRID:  15.6pt none">
<H3><A name=_Toc502915255></A><A name=_Toc392380659></A><st1:chsdate Year="1899" 
Month="12" Day="30" IsLunarDate="False" IsROCDate="False" w:st="on"><SPAN 
style="mso-bookmark: _Toc392380659"><SPAN 
style="mso-bookmark: _Toc502915255"><SPAN 
lang=EN-US>4.1.2</SPAN></SPAN></SPAN></st1:chsdate><SPAN 
style="mso-bookmark: _Toc392380659"><SPAN 
style="mso-bookmark: _Toc502915255"><SPAN lang=EN-US><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN></SPAN></SPAN></SPAN><SPAN 
style="mso-bookmark: _Toc392380659"><SPAN 
style="mso-bookmark: _Toc502915255"><SPAN 
style="FONT-FAMILY: 黑体; mso-ascii-font-family: 'Times New Roman'">椭圆的绘制</SPAN></SPAN></SPAN></H3>
<P class=MsoNormalIndent><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">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'">中绘制椭圆调用的是</SPAN><SPAN 
lang=EN-US>Ellipse</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">方法，它的语法结构如下所示：</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt">void __fastcall Ellipse(int 
X1, int Y1, int X2, int Y2);<o:p></o:p></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'">下面通过一个示例来说明如何在程序中绘制椭圆，在程序运行的过程中，当用户在窗体上按下并且移动鼠标时，程序就会调用相应的方法在窗体上绘制一个椭圆。</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'">具体的程序设计步骤如下：</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。</SPAN></P>
<H4><SPAN lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．添加代码</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'">在程序的设计过程用鼠标的左键双击窗体的空白处，在屏幕上就会弹出一个代码窗口，把光标移动到代码段中的适当位置，并且按照下面的程序清单添加绘制椭圆的代码：</SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 0cm"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<DIV 
style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 0cm; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 0cm; PADDING-BOTTOM: 1pt; BORDER-LEFT: windowtext 1pt solid; PADDING-TOP: 1pt; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-element: para-border-div">
<P class=a0 
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 1.0pt 0cm 1.0pt 0cm"><SPAN 
style="FONT-FAMILY: 仿宋_GB2312; mso-ascii-font-family: 'Times New Roman'">程序清单</SPAN></P></DIV>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//-----------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">#include 
&lt;vcl.h&gt;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">#pragma 
hdrstop<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">#include 
"Ellipse.h"<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//-----------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">#pragma 
package(smart_init)<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">#pragma 
resource "*.dfm"<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">TForm1 
*Form1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">Boolean 
Start;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">定义标志变量</SPAN><SPAN 
lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//-----------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">__fastcall 
TForm1::TForm1(TComponent* Owner) : TForm(Owner)<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">{<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">}<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US
12 下一页
💿 文件大小 3496 K
👤 上传用户 wangdatouay
📂 所属分类 VC书籍
🏷️ 相关标签

#builder #网络 #教程
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -