从ADGroup获取电子邮件地址列表

Question

如果我有Active Directory组的名称，如何获取成员或他们的电子邮件地址列表？

在这个网址

Answer 1

void Main() 
{ 
    string groupName = "somegroup"; 
    string domainName = "somedomain"; 

    using(PrincipalContext ctx = new PrincipalContext(ContextType.Domain, domainName)) 
    { 
     using(GroupPrincipal grp = GroupPrincipal.FindByIdentity(ctx, IdentityType.Name, groupName)) 
     { 
      var sams = from x in grp.GetMembers(true) select new {x.SamAccountName, }; 
      var users = from sam in sams.Distinct() 
       let usr = UserPrincipal.FindByIdentity(ctx, IdentityType.SamAccountName, sam.SamAccountName) 
       select new { usr.SamAccountName, usr.DisplayName, usr.EmailAddress}; 
      //do something with users... 
     } 
    } 
} 

Answer 2

约与C＃http://www.codeproject.com/Articles/18102/Howto-Almost-Everything-In-Active-Directory-via-C#42，用户AD被存储为DiretoryEntry良好和完整articule审查财产属性 http://msdn.microsoft.com/en-us/library/system.directoryservices.directoryentry.properties(v=vs.100).aspx