关于Word中InsertXML的说明（Word ML）

【前言】从Word2007刚出来的时候，就发现这个问题了，但是修改的不是很细致，也不深入。
今天优化代码的时候（2013年11月），又研究了下这个问题，在我所查找到的资料中，只有这一个有参考性的帖子。

【问题】wrod通过InsertXML的方法插入Word ML的时候，word2003和2007-2013的版本效果不一样。
对于一个简单的Word ML来说，2007-2013的版本比word2003多一个换行符。
就一个简单的换行符，对一个要在行内插入内容的使用场景来说，真是糟糕透了。

更有外国朋友贴出了总结的规律：
in Word 2003:
- ending without para mark: inserted as is.
- ending with para mark: inserted without para mark.
- ending with double para mark: inserted without last para mark.
- ending with para mark + single space: inserted without para mark and without the space.
- ending with para mark + double space: inserted as is.
- ending with para mark + any printable char(s) other than space: inserted as is.
in Word 2010:
- ending without para mark: inserted with para mark added at the end.
- ending with para mark: inserted as is.
- ending with double para mark: inserted as is.
- ending with para mark + single space: inserted without space.
- ending with para mark + double space: inserted with para mark added at the end.
- ending with para mark + any printable char(s) other than space: inserted with para mark added at the end.

【解决方案】
我以前的解决方案是：插入Word ML，然后判断版本，非2003删除后面的回车。
帖子里的解决方案是：先添加个回车，然后再回车前插入代码，然后删除回车。
因为我遇到的情况更复杂一些，涉及到插入域和修改域(Word Field)，所以暂时坚持我原来的方案。

【相关链接】
http://social.msdn.microsoft.com/Forums/en-US/62c41f9e-9037-4805-85e7-be7483367835/rangeinsertxml-bug-in-word-2010?forum=worddev

帖子里的相关链接：
OpenXMLDeveloper.org
http://social.msdn.microsoft.com/forums/en-US/oxmlsdk/threads/
http://social.msdn.microsoft.com/Forums/en-US/os_openXML-ecma/threads

【链接中的代码】（好像是他们项目用的，不通用）：

 internal static void InsertXML_W14_mimic_W11(this Word.Range range, string text){// W11:// 1. Last paragraph is inserted with no ending '\r' and target paragraph formatting is retained.// 2. Any preceding paragraphs are inserted with ending '\r' and source paragraph formatting is used.// W14:// All paragraphs are inserted with ending '\r' and source paragraph formatting is used.// With W14 range stopped including the inserted text after InsertXML is called.// The range of range is now a point before the inserted text.//// We want to keep W11 behaviour.// range.End would move with rng if range includes end of header/footer or bodyWord.Range max_range = range.Duplicate;max_range.MoveEnd(Word.WdUnits.wdStory, 1); // End is moved as far as it goes (be it in header/footer or body)if (range.End == max_range.End) range.End--;Word.Range rng = range.Duplicate;rng.InsertAfter("\r#"); // Needed to work out end of range after range.InsertXML()// Get hold of target paragraph format.// Ie last paragraph in target range or following paragraph if target range ends with '\r'.Word.ParagraphFormat pf = rng.Paragraphs.Last.Format.Duplicate;range.InsertXML(text);// range.End is now equal range.Start (W14 bug, in W11 range.End would be after inserted text).// rng is now range.Start + inserted text + "\r" + "#".// Due to trailing \r paragraph format for last inserted paragraph is from source instead of target (as it would be with W11).// Work out if last paragraph before "#" is not empty (ie not '\r').// If so we will apply target paragraph markup to "last" paragraph.bool use_target_p_markup_for_last_para= rng.Paragraphs.Count > 1&& (rng.Paragraphs[rng.Paragraphs.Count - 1].Range.Text != "\r" || rng.Paragraphs[rng.Paragraphs.Count - 1].Range.Fields.Count > 0);// Remove "\r#" and set range as it would be using W11.rng.Start = rng.End - 2;rng.Delete();range.End = rng.End;// Now we should have same range as if W11 had been used with the simple Range.InsertXML only.if (use_target_p_markup_for_last_para) range.Paragraphs.Last.Range.ParagraphFormat = pf;}

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