📄 c++ builder 程序设计实用教程 - 8_1_2 display属性111 - 张晋 - 17xie.htm
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lang=EN-US>8-6</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示的组件及窗体布局，设置相应的组件和窗体的属性，然后进入下一步。</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，缺省的情况下，光标应该位于在窗体的</SPAN><SPAN
class=SpellE><SPAN lang=EN-US>FormCreate</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'">事件的过程处理代码段中，在程序的适当位置添加下列代码：</SPAN></P>
<P class=a0><SPAN class=GramE><SPAN lang=EN-US>void</SPAN></SPAN><SPAN
lang=EN-US> __<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>Form1->MediaPlayer1-><SPAN
class=SpellE>AutoEnable</SPAN>=true;</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'">自动检测有效状态</SPAN></P>
<P class=a0><SPAN lang=EN-US>Form1->MediaPlayer1-><SPAN
class=SpellE>DeviceType</SPAN>=<SPAN class=SpellE>dtAVIVideo</SPAN>;</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'">设置播放设备类型</SPAN></P>
<P class=a0><SPAN lang=EN-US>Form1->MediaPlayer1-><SPAN
class=SpellE>FileName</SPAN>="d:\\ASP\</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聊天室</SPAN><SPAN
lang=EN-US>\\Clock.avi";</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'">设置打开的文件名</SPAN></P>
<P class=a0><SPAN lang=EN-US>Form1->MediaPlayer1-><SPAN
class=GramE>Open(</SPAN>);</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'">打开多媒体播放设备</SPAN></P>
<P class=a0><SPAN
lang=EN-US>Form1->MediaPlayer1->Display=Form1->Panel1;</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'">设置播放容器</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'">程序说明：</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'">在添加的程序中，需要注意的是语句</SPAN><SPAN
lang=EN-US>Form1->MediaPlayer1->Display=Form1->Panel1;</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">它的作用是为程序中播放动画指定一个容器，在本程序中指定的动画播放容器为一个</SPAN><SPAN
lang=EN-US>Panel1</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">组件。</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'">做完以上的工作后，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>Save All</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">选项，在弹出的对话框中选择一个合适的文件名来保存文件。在键盘上按下功能键</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，程序运行的初始画面如图</SPAN><SPAN
lang=EN-US>8-7</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=238
src="C++ Builder 程序设计实用教程 - 8_1_2 Display属性111 - 张晋 - 17xie.files/f671731d6d.jpg"
width=269 v:shapes="_x0000_i1027"></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>8-7<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'">程序运行初始画面</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'">用鼠标的左键单击</SPAN><SPAN
lang=EN-US>Play</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">按钮，在按钮组件上就会播放指定的动画文件，程序运行结果如图</SPAN><SPAN
lang=EN-US>8-8</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=260
src="C++ Builder 程序设计实用教程 - 8_1_2 Display属性111 - 张晋 - 17xie.files/5c6ebea6b5.jpg"
width=244 v:shapes="_x0000_i1028"><SPAN
style="mso-spacerun: yes"> </SPAN><IMG
height=260
src="C++ Builder 程序设计实用教程 - 8_1_2 Display属性111 - 张晋 - 17xie.files/dfb64cdcac.jpg"
width=244 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>8-8<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><SPAN
class=SpellE><SPAN lang=EN-US>Clock.avi</SPAN></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></P>
<P class=MsoNormal><SPAN
lang=EN-US><o:p> </o:p></SPAN></P></DIV></DIV></CENTER>
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