https://blog.youkuaiyun.com/T_Skyzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/T_Sky/article/details/39554635https://blog.youkuaiyun.com/T_Sky/article/details/39554635T_SkyThu, 25 Sep 2014 17:28:33 +0800https://blog.youkuaiyun.com/T_Sky/article/details/23329231https://blog.youkuaiyun.com/T_Sky/article/details/23329231T_SkyThu, 10 Apr 2014 08:43:14 +0800https://blog.youkuaiyun.com/T_Sky/article/details/8133281https://blog.youkuaiyun.com/T_Sky/article/details/8133281T_SkyWed, 31 Oct 2012 16:48:12 +0800https://blog.youkuaiyun.com/T_Sky/article/details/7713993https://blog.youkuaiyun.com/T_Sky/article/details/7713993T_SkyWed, 04 Jul 2012 09:37:55 +0800https://blog.youkuaiyun.com/T_Sky/article/details/7713950https://blog.youkuaiyun.com/T_Sky/article/details/7713950T_SkyWed, 04 Jul 2012 09:29:45 +0800https://blog.youkuaiyun.com/T_Sky/article/details/7339053https://blog.youkuaiyun.com/T_Sky/article/details/7339053T_SkySat, 10 Mar 2012 09:29:33 +0800https://blog.youkuaiyun.com/T_Sky/article/details/7275903https://blog.youkuaiyun.com/T_Sky/article/details/7275903T_SkyMon, 20 Feb 2012 15:06:21 +0800https://blog.youkuaiyun.com/T_Sky/article/details/7204289https://blog.youkuaiyun.com/T_Sky/article/details/7204289T_SkyMon, 16 Jan 2012 10:01:41 +0800https://blog.youkuaiyun.com/T_Sky/article/details/7204249https://blog.youkuaiyun.com/T_Sky/article/details/7204249T_SkyMon, 16 Jan 2012 09:53:57 +0800https://blog.youkuaiyun.com/T_Sky/article/details/7018934https://blog.youkuaiyun.com/T_Sky/article/details/7018934T_SkyMon, 28 Nov 2011 11:42:08 +0800https://blog.youkuaiyun.com/T_Sky/article/details/6913131https://blog.youkuaiyun.com/T_Sky/article/details/6913131T_SkyFri, 28 Oct 2011 09:39:52 +0800https://blog.youkuaiyun.com/T_Sky/article/details/6911303https://blog.youkuaiyun.com/T_Sky/article/details/6911303T_SkyThu, 27 Oct 2011 16:51:05 +0800(]*>(]*>.*?|.)*?|.)*?|.)*? 三层嵌套div正则表达式。 (]*>.*?|.)*?两层嵌套正则表达式。]]>https://blog.youkuaiyun.com/T_Sky/article/details/6707363https://blog.youkuaiyun.com/T_Sky/article/details/6707363T_SkyMon, 22 Aug 2011 09:16:39 +0800https://blog.youkuaiyun.com/T_Sky/article/details/6459675https://blog.youkuaiyun.com/T_Sky/article/details/6459675T_SkyWed, 01 Jun 2011 16:56:00 +08001.引用类型的成员变量不能直接在构造函数里初始化，必须用到初始化列表，且形参也必须是引用类型。
2.凡是有引用类型的成员变量的类，不能有缺省构造函数。]]>https://blog.youkuaiyun.com/T_Sky/article/details/6430070https://blog.youkuaiyun.com/T_Sky/article/details/6430070T_SkyWed, 18 May 2011 16:51:00 +0800
（1）如果派生类的函数与基类的函数同名，但是参数不同。此时，不论有无virtual
关键字，基类的函数将被隐藏（注意别与重载混淆）。
（2）如果派生类的函数与基类的函数同名，并且参数也相同，但是基类函数没有virtual
关键字。此时，基类的函数被隐藏（注意别与覆盖混淆）。]]>https://blog.youkuaiyun.com/T_Sky/article/details/6310201https://blog.youkuaiyun.com/T_Sky/article/details/6310201T_SkyFri, 08 Apr 2011 17:30:00 +0800在命令行输入(entget(car(entsel)))并按下 Enter]]>https://blog.youkuaiyun.com/T_Sky/article/details/6259495https://blog.youkuaiyun.com/T_Sky/article/details/6259495T_SkyFri, 18 Mar 2011 16:54:00 +0800
UCSICON 使用位码显示当前视口的 UCS 图标。
UCSNAME 存储当前空间当前视口的当前坐标系名称。如果当前 UCS 尚未命名，则返回一个空字符串。
UCSORG 存储当前空间当前视口的当前坐标系原点。该值总是以世界坐标形式保存。
UCSORTHO 确定恢复正交视图时是否同时自动恢复相关的正交 UCS 设置。
UCSVIEW 确定当前 UCS 是否随命名视图一起保存。
UCSVP 确定视口的 UCS 保持不变还是作相应改变以]]>https://blog.youkuaiyun.com/T_Sky/article/details/6238045https://blog.youkuaiyun.com/T_Sky/article/details/6238045T_SkyThu, 10 Mar 2011 17:41:00 +0800当自定义一个面板或者非模态对话框，自定义的按钮事件可能会与CAD本身的命定冲突，比如当你已经点击CAD本身的放大按钮，没取消这个命令，此时再点击自定义面板或者非模态对话框上的按钮，就会产生事件冲突，此时可以用下面的函数来获取获取CAD命令状态：

  bool IsCADCommandActive()
        {
            return ((short)acadApp.GetSystemVariable("CMDACTIV]]>https://blog.youkuaiyun.com/T_Sky/article/details/6237875https://blog.youkuaiyun.com/T_Sky/article/details/6237875T_SkyThu, 10 Mar 2011 16:55:00 +0800