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# CAXA EXB 电子图板 (CAXA EXB Draft Document) 不同文件版本的文件头识别码

*  2021-07-23 更新

* 2023-02-26 整理

## 1. 2007年及更早的版本 (v2/xp/1997/2005/2007)

  * 偏移 (Offset): 0x11 (即10进制数字 17)

  ------+---------------------------------+--------+---------------

  版本  |       (文件头-参考文本)        | Offset | 16进制识别码

  ------+---------------------------------+--------+---------------

  1997  |  VERSION.DESIGN2.0_FILE_FORMAT.   (0)

  v2    |  .CaxaEbForWindows.             (0x11)   \0x06

  xp    |  .CaxaEbForWindows.             (0x11)   \0x1A

  2005  |  .CaxaEbForWindows$             (0x11)   \0x24

  2007  |  .CaxaEbForWindows.             (0x11)   \0x2E

  ------+---------------------------------+--------+---------------

##  EXB 版本 2009-2018的识别码，应是

偏移 0x83a ，10进制的2106 的 版本数值。如：

1.0 = v2009

1.1 = v2011

1.2 = 2013

1.3 = 2015

1.5=  v2018

提示：再回退一点，0x810, 即10进制的 2064，看到 CAXA Draft Document 字样
Source: README-zh_CN.txt, updated 2023-02-26