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📄 c++ builder 程序设计实用教程 - 6_2 多页窗体设计 - 张晋 - 17xie.htm

📁 已经消失的不易找到的C++ builder网络教程总结
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</SPAN>y2=y1-40*cos(n);<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>Form1-&gt;Image2-&gt;Canvas-&gt;LineTo((x2),(y2));<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>//</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">绘制正弦曲线</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'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>n=n+3.1415926/180;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>}<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 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">void 
__fastcall TForm1::Image3Click(TObject *Sender)<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'">float 
x1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">float 
y1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">float 
x2;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">float 
y2;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">float 
n;<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'">x1=0;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">y1=(Form1-&gt;Image3-&gt;Left+Form1-&gt;Image3-&gt;Width)/4;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">x2=x1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">y2=y1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Form1-&gt;Image3-&gt;Canvas-&gt;MoveTo((x2),(y2));<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'">定义绘图起始点</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'">n=0;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">while 
(n&lt;3.1415926*2)<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>{<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>x2=x2+3.1415926/3;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>if 
(abs(cos(n))&lt;0.000001)<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>{<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>y2=y1-30*sin(n)/cos(n);<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>Form1-&gt;Image3-&gt;Canvas-&gt;LineTo((x2),(y2));<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>//</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">绘制正切曲线</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'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>}<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>n=n+3.1415926/180;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>}<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 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">void 
__fastcall TForm1::Image4Click(TObject *Sender)<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'">float 
x1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">float 
y1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">float 
x2;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">float 
y2;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">float 
n;<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'">x1=0;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">y1=(Form1-&gt;Image4-&gt;Left+Form1-&gt;Image4-&gt;Width)/4;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">x2=x1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">y2=y1;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Form1-&gt;Image4-&gt;Canvas-&gt;MoveTo((x2),(y2));<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'">绘图起始点</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'">n=3.1415926;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">while 
(n&lt;3.1415926*3)<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>{<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>x2=x2+3.1415926/3;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN>if 
(abs(sin(n))&lt;0.00001)<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>{<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>y2=y1-30*cos(n)/sin(n);<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>Form1-&gt;Image4-&gt;Canvas-&gt;LineTo((x2),(y2));<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>//</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">绘制余切曲线</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'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>}<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>n=n+3.1415926/180;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>}<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 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">void 
__fastcall TForm1::FormCreate(TObject *Sender)<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'">Form1-&gt;Image1-&gt;Canvas-&gt;Pen-&gt;Width=5;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Form1-&gt;Image2-&gt;Canvas-&gt;Pen-&gt;Width=5;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Form1-&gt;Image3-&gt;Canvas-&gt;Pen-&gt;Width=5;<o:p></o:p></SPAN></P>
<P class=a1><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Form1-&gt;Image4-&gt;Canvas-&gt;Pen-&gt;Width=5;<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'">设置画笔大小</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'">Form1-&gt;Image1-&gt;Transparent=true;<o:p></o:p><
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