📄 c++ builder 程序设计实用教程 - 5_4_3 文件列表和文件过滤控件 - 张晋 - 17xie.htm
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lang=EN-US>*.exe</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">结尾的可执行文件。</SPAN></P>
<H4><SPAN lang=EN-US>3</SPAN><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．响应窗体事件</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'">在程序的设计阶段，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，在缺省的情况下，代码窗口中显示的是窗体的</SPAN><SPAN
lang=EN-US>FormCreate()</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">事件，将光标移动代码窗口中，并且添加下列代码：</SPAN></P>
<P class=a2><SPAN lang=EN-US>void __fastcall TForm1::FormCreate(TObject
*Sender)</SPAN></P>
<P class=a2><SPAN lang=EN-US>{</SPAN></P>
<P class=a2><SPAN
lang=EN-US>FilterComboBox1->FileList=FileListBox1;</SPAN></P>
<P class=a2><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'">设置关联控件</SPAN></P>
<P class=a2><SPAN lang=EN-US>FileListBox1->Drive='c';</SPAN></P>
<P class=a2><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'">设置控件的驱动器</SPAN></P>
<P class=a2><SPAN
lang=EN-US>FileListBox1->Directory="c:\\Windows\\system\\";</SPAN></P>
<P class=a2><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'">设置控件的文件路径</SPAN></P>
<P class=a2><SPAN lang=EN-US>}</SPAN></P>
<P class=a2><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'">窗体的</SPAN><SPAN
lang=EN-US>FormCreate()</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">事件在窗体的装入的同时就会被激活，进入到窗体的</SPAN><SPAN
lang=EN-US>FormCreate()</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">事件的过程中，首先通过语句</SPAN><SPAN
lang=EN-US>FilterComboBox1->FileList=FileListBox1;</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">设置</SPAN><SPAN
lang=EN-US> FileListBox1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">控件为</SPAN><SPAN
lang=EN-US>FilterComboBox</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">控件的关联控件，然后设置文件列表框控件的文件路径为</SPAN><SPAN
lang=EN-US>c:\Windows\system</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</SPAN></P>
<H4><SPAN lang=EN-US>4</SPAN><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．运行程序</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'">做完以上的工作后，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，程序的运行结果如图</SPAN><SPAN
lang=EN-US>5-16</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=a0><SPAN lang=EN-US><IMG height=197
src="C++ Builder 程序设计实用教程 - 5_4_3 文件列表和文件过滤控件 - 张晋 - 17xie.files/ae6ab8d760.jpg"
width=231 v:shapes="_x0000_i1028"></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>5-16<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'">程序运行结果</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'">在程序的运行过程中，用户可以选择显示文件的类型，如图</SPAN><SPAN
lang=EN-US>5-17</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示即为显示为以</SPAN><SPAN
lang=EN-US>*.dll</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">结尾的可执行文件，当然用户也可以选择其他的文件筛选方式，如显示所有的以</SPAN><SPAN
lang=EN-US>*.exe</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">结尾的动态链接库文件等。</SPAN></P>
<P class=a0><SPAN lang=EN-US><IMG height=197
src="C++ Builder 程序设计实用教程 - 5_4_3 文件列表和文件过滤控件 - 张晋 - 17xie.files/cf8f4f9ea2.jpg"
width=232 v:shapes="_x0000_i1029"></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>5-17<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“</SPAN><SPAN
lang=EN-US>*.dll</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">”文件</SPAN></P>
<P class=MsoNormal><SPAN
lang=EN-US><o:p> </o:p></SPAN></P></DIV></DIV></CENTER>
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