请问：ATTDISP这个命令有什么用？能用个演示方法吗？
请问：ATTDISP这个命令有何用？能用个演示方法吗？ <DIV class=LeadInText id=leadin><P class=body>摘自帮助：
<P class=body>属性是与块相关联的文字信息。ATTDISP 控制属性在图形中是否可见。
</DIV>
<P class=menu><IMG src="mk:@MSITStore:D:\MDT%202004%20DX\help\acad_acr.chm::/ac.mouse.gif" border=0> <SPAN class=sans_bold>“视图”菜单：</SPAN>显示 <IMG src="mk:@MSITStore:D:\MDT%202004%20DX\help\acad_acr.chm::/ac.menuaro.gif"> 属性显示
<P class=cmd_line><IMG src="mk:@MSITStore:D:\MDT%202004%20DX\help\acad_acr.chm::/ac.keyboard.gif" border=0> 命令行：<!--ensp--> attdisp（或 'attdisp，用于透明使用）
<P class=prompt_end>输入属性的可见性设置 [<A href="mk:@MSITStore:D:\MDT%202004%20DX\help\acad_acr.chm::/acr_a28.html#800574" target="_blank" >普通</A>(N)/<A href="mk:@MSITStore:D:\MDT%202004%20DX\help\acad_acr.chm::/acr_a28.html#800582" target="_blank" ><!-- link to: 开 --></A>开(On)/<A href="mk:@MSITStore:D:\MDT%202004%20DX\help\acad_acr.chm::/acr_a28.html#800592" target="_blank" ><!-- link to: 关 --></A>关(Off)] <当前>:
<P class=body>除非
<OBJECT id=alink_REGENAUTO_CMD_1603469 type=application/x-oleobject classid=clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11><PARAM NAME="Width" VALUE="0"><PARAM NAME="Height" VALUE="0"><PARAM NAME="Command" VALUE="ALink"><PARAM NAME="Item1" VALUE=""><PARAM NAME="Item2" VALUE="R"></OBJECT>REGENAUTO（控制自动重生成的变量）处于关闭状态，否则改变属性的可见性后 AutoCAD 将重生成图形。AutoCAD 将属性的当前可见性存储在
<OBJECT id=alink_ATTMODE_SYS_1603469 type=application/x-oleobject classid=clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11><PARAM NAME="Width" VALUE="0"><PARAM NAME="Height" VALUE="0"><PARAM NAME="Command" VALUE="ALink"><PARAM NAME="Item1" VALUE=""><PARAM NAME="Item2" VALUE="A"></OBJECT>ATTMODE 系统变量中。
<TABLE class=DynaTable_5 cellSpacing=0>
<TBODY>
<TR>
<TD class=DynaTable_5_HeadingCell>
<DIV class=define_head_special><A class=DynaTable_5_HeadingText href="<b>javascript</b> :togglespan(5, target="_blank" >普通</A></DIV></TD></TR>
<TR>
<TD class=DynaTable_5_ContentCell>
<P class=define_text>保持每个属性的当前可见性。只显示可见属性。不显示不可见属性。
</TD></TR></TBODY></TABLE>
<TABLE class=DynaTable_5 cellSpacing=0>
<TBODY>
<TR>
<TD class=DynaTable_5_HeadingCell>
<DIV class=define_head_special><A class=DynaTable_5_HeadingText href="<b>javascript</b> :togglespan(5, target="_blank" >开</A></DIV></TD></TR>
<TR>
<TD class=DynaTable_5_ContentCell>
<P class=define_text>使所有属性都可见。
</TD></TR></TBODY></TABLE>
<TABLE class=DynaTable_5 cellSpacing=0>
<TBODY>
<TR>
<TD class=DynaTable_5_HeadingCell>
<DIV class=define_head_special><A class=DynaTable_5_HeadingText href="<b>javascript</b> :togglespan(5, target="_blank" >关</A></DIV></TD></TR>
<TR>
<TD class=DynaTable_5_ContentCell>
<P class=define_text>使所有属性都不可见。
</TD></TR></TBODY></TABLE>
<P class=figure_margin_0><IMG src="mk:@MSITStore:D:\MDT%202004%20DX\help\acad_acr.chm::/online_art/acw0271u.gif" align=absBottom>
<P class=figure_margin_0><IMG src="mk:@MSITStore:D:\MDT%202004%20DX\help\acad_acr.chm::/online_art/acw0270u.gif" align=absBottom> 都看不懂的嘛 看不懂啊！请说详细点啊！
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