📄 c++ builder 程序设计实用教程 - 9_3_2 进程应用方法 - 张晋 - 17xie.htm
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<H3 style="MARGIN: 15pt 0cm 0pt"><A name=_Toc502915485></A><FONT size=3><FONT
face="Times New Roman"><st1:chsdate w:st="on" IsROCDate="False"
IsLunarDate="False" Day="30" Month="12" Year="1899"><SPAN
style="mso-bookmark: _Toc502915485"><SPAN
lang=EN-US>9.3.2</SPAN></SPAN></st1:chsdate><SPAN
style="mso-bookmark: _Toc502915485"><SPAN lang=EN-US> <SPAN
style="mso-spacerun: yes"> </SPAN></SPAN></SPAN></FONT><SPAN
style="mso-bookmark: _Toc502915485"><SPAN
style="FONT-FAMILY: 黑体; mso-ascii-font-family: 'Times New Roman'">进程应用方法</SPAN></SPAN></FONT></H3>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT
face="Times New Roman">CBuilder 5</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">VCL</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">Visual Component
Library</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">RTL</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">Run-Time Library</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）库把几乎全部的</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">Windows API</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">函数封装起来，而且在其基础上增加了一些安全措施。在实际运用时，程序员几乎没有必要直接调用</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">Windows API</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">函</SPAN><FONT
face="Times New Roman"> </FONT><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">数，利用各单元所提供的函数库或例程库就可</SPAN><FONT
face="Times New Roman"> </FONT><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">直接对系统底层进行操作。</SPAN></P>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">那么如何在</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">CBuilder 5</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">中利用进程呢？其基本思想就是直接调用</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">WindowsAPI</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">CreateThread</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">函数来创建一个进程。那么，利用</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">CBuilder 5</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">自身所定义的丰富的标准例程库和数量更多、内容更广泛的（非）可视类库进行处理，以取代直接调用</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">Windows API</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">函数可否实现呢？回答是肯定的，而且更有效、更保险：</SPAN></P>
<H4 style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT
face="Times New Roman">1</FONT></SPAN><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．使用进程函数</SPAN></H4>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">利用</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">RTL</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">库的</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">System</FONT></SPAN><SPAN
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