交换 Web 服务限制路径
我进行了一些搜索，但无法找到与 FindItem
<IsEqualTo><FieldURI FieldURI="???"></IsEqualTo>that will not result in a ErrorUnsupportedPathForQuery error?
（使用EWS Exchange2010_SP1）
I have done a bit of searching and am unable to find a list of legal properties for use with the FindItem <Restriction> element, specificially what can I use in
<IsEqualTo><FieldURI FieldURI="???"></IsEqualTo>
that will not result in a ErrorUnsupportedPathForQuery error?
(Using EWS Exchange2010_SP1)
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我编写了一个集成测试，它使用 exists 每个 UnindexedFieldURIType。抱歉，私人项目，无法发布代码。
这些字段有效：
值得注意的是，在产生错误的字段中，大多数会失败并显示 ERROR_UNSUPPORTED_PATH_FOR_QUERY，但其他字段会失败并显示ERROR_INVALID_PROPERTY_FOR_EXISTS。这表明某些字段适用于某些 SearchExpressionType，而其他字段则不适用于某些 SearchExpressionType。
I wrote an integration test which performs a FindItem using an exists filter for each of the UnindexedFieldURIType. Sorry private project, can't post code.
These fields work:
It's worth noting that of the fields that produce an error, most fail with an ERROR_UNSUPPORTED_PATH_FOR_QUERY, but others fail with a ERROR_INVALID_PROPERTY_FOR_EXISTS. That suggests that some fields work with some some SearchExpressionTypes while others don't.
请参阅 http://msdn.microsoft.com/en -us/library/aa494315(v=EXCHG.140).aspx。但如果您使用基于 .NET 的语言，则应该使用 EWS 托管 API，它使用起来要简单得多。
See http://msdn.microsoft.com/en-us/library/aa494315(v=EXCHG.140).aspx. But if you are using a .NET based language, you should use the EWS Managed API, which is much more simpler to use.