SearchResultCollection 的 GetDirectoryEntry 是否必须再次查询 ActiveDirectory？ [目录服务/.net]
在 .net 中使用 DirectorySearcher 的 FindAll() 方法时，SearchResultCollection 的 GetDirectoryEntry() 方法是否需要再次访问 Active Directory？ 例如...
Dim src As SearchResultCollection
Dim ds As New DirectorySearcher
' code to setup DirectorySearcher
' go to Active Directory and fill collection with results
src = ds.FindAll()
'...later on in code or whatever
' does the next line of code require another trip to Active Directory?
Dim de As DirectoryEntry = src.item(0).GetDirectoryEntry()
When using the FindAll() method of the DirectorySearcher in .net, does the GetDirectoryEntry() method of the SearchResultCollection require another trip to Active Directory? e.g....
Dim src As SearchResultCollection
Dim ds As New DirectorySearcher
' code to setup DirectorySearcher
' go to Active Directory and fill collection with results
src = ds.FindAll()
'...later on in code or whatever
' does the next line of code require another trip to Active Directory?
Dim de As DirectoryEntry = src.item(0).GetDirectoryEntry()
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根据文档，它将重新查询 AD 以获取目录条目。
参考
According to the documentation it will requery AD to get the directory entry.
Reference
是的，它会返回AD并获取整个DirectoryEntry对象。
如果您想避免这种情况（只要可能，您就应该这样做），请使用
PropertiesToLoad集合在DirectorySearcher上指定您真正需要的属性，然后检查这些值的 SearchResult.Properties- 这些值将随搜索返回，并且不需要再次往返 Active Directory。马克
Yes, it will go back to AD and get the whole DirectoryEntry object.
If you want to avoid this (and you should, whenever possible), specify those properties you really need on your
DirectorySearcherusing thePropertiesToLoadcollection, and then inspect theSearchResult.Propertiesfor those values - those will be returned with the search and do not require yet another roundtrip to the Active Directory.Marc