📄 c++ builder 程序设计实用教程 - 5_2_2 显示剩余空间 - 张晋 - 17xie.htm
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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'">时表示</SPAN><SPAN
lang=EN-US>C</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">驱动器，其他依次类推。</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'">下面的示例就是利用</SPAN><SPAN
class=SpellE><SPAN lang=EN-US>DiskFree</SPAN></SPAN><SPAN
lang=EN-US>()</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">函数来达到获得计算机上驱动器剩余磁盘空间信息的目的，本示例程序的基本框架是基于</SPAN><SPAN
class=SpellE><SPAN lang=EN-US>DlskSize</SPAN></SPAN><SPAN
lang=EN-US>()</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">函数的示例程序，但是在其中的代码略有变化，代码如下所示。</SPAN></P>
<P class=a0><SPAN lang=EN-US>void __<SPAN class=SpellE>fastcall</SPAN>
TForm1::FormCreate(<SPAN class=SpellE>TObject</SPAN> *Sender)</SPAN></P>
<P class=a0><SPAN lang=EN-US>{</SPAN></P>
<P class=a0><SPAN lang=EN-US>temp1=<SPAN class=SpellE>IntToStr</SPAN>(<SPAN
class=SpellE>DiskFree</SPAN>(3));</SPAN></P>
<P class=a0><SPAN lang=EN-US>temp1="C </SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">盘的剩余磁盘空间：</SPAN><SPAN
lang=EN-US>"+temp1+"Byte"+"\n\n";</SPAN></P>
<P class=a0><SPAN lang=EN-US>temp2=<SPAN class=SpellE>IntToStr</SPAN>(<SPAN
class=SpellE>DiskFree</SPAN>(4));</SPAN></P>
<P class=a0><SPAN lang=EN-US>temp2="D </SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">盘的剩余磁盘空间：</SPAN><SPAN
lang=EN-US>"+temp2+"Byte"+"\n\n";</SPAN></P>
<P class=a0><SPAN lang=EN-US>temp3=<SPAN class=SpellE>IntToStr</SPAN>(<SPAN
class=SpellE>DiskFree</SPAN>(5));</SPAN></P>
<P class=a0><SPAN lang=EN-US>temp3="E </SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">盘的剩余磁盘空间：</SPAN><SPAN
lang=EN-US> "+temp3+"Byte"+"\n\n";</SPAN></P>
<P class=a0><SPAN lang=EN-US>//</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">获得驱动器信息</SPAN></P>
<P class=a0><SPAN
lang=EN-US>Form1->Memo1->Text=temp1+temp2+temp3;</SPAN></P>
<P class=a0><SPAN lang=EN-US>}</SPAN></P>
<P class=a0><SPAN
lang=EN-US>//-----------------------------------------------------------------------</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'">存储文件，按键盘上的功能键</SPAN><SPAN
lang=EN-US>F9</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">运行程序，程序运行结果如图</SPAN><SPAN
lang=EN-US>5-5</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=208
src="C++ Builder 程序设计实用教程 - 5_2_2 显示剩余空间 - 张晋 - 17xie.files/9eb2babcdb.jpg"
width=225 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>5-5<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'">显示驱动器剩余磁盘空间的信息</SPAN></P>
<P class=MsoNormal><SPAN
lang=EN-US><o:p> </o:p></SPAN></P></DIV></DIV></CENTER>
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