1 public static string DomainGroup(SPGroup group, string DomainGroupName)
 2 {
 3     string returnStr = string.Empty;
 4     SearchResultCollection results = null;
 5 6     string filter = "(&(objectClass=group)(cn=" + DomainGroupName + "))";
 7     string connectionPrefix = "LDAP://linyu.ad.com.cn";
 8     using (DirectoryEntry root = new DirectoryEntry(connectionPrefix))
 9     {
10         using (DirectorySearcher searcher = new DirectorySearcher(root))
11         {
12             searcher.ReferralChasing = ReferralChasingOption.All;
13             searcher.SearchScope = SearchScope.Subtree;
14             searcher.Filter = filter;
15             results = searcher.FindAll();
16         }
17     }
18     foreach (SearchResult sr in results)
19     {
20
21         DirectoryEntry deGroup = new DirectoryEntry(sr.Path);
22         System.DirectoryServices.PropertyCollection pcoll = deGroup.Properties;
23         int n = pcoll["member"].Count;
24         Console.WriteLine(n.ToString());
25
26         for (int i = 0; i < n; i++)
27         {
28             DirectoryEntry deUser = new DirectoryEntry(connectionPrefix + "/" + pcoll["member"][i].ToString());
29
30             string username = deUser.Name.ToString();
31             if (username.IndexOf("=") > 0)
32             {
33                 username = username.Split('=')[1];
34             }
35
36             string email = GetProperty(deUser, "mail");
37             if (email.IndexOf("@") > 0)
38             {
39                 Console.WriteLine(username);
40                 group.AddUser("i:0#.f|custommembership|" + email, email, username, "");
41             }
42         }
43     }
44     return returnStr;
45 }
46
47 public static string GetProperty(DirectoryEntry oDE, string PropertyName)
48 {
49     try
50     {
51         if (oDE.Properties.Contains(PropertyName))
52         {
53             return oDE.Properties[PropertyName][0].ToString();
54         }
55         else
56         {
57             return string.Empty;
58         }
59     }
60     catch (Exception ee)
61     {
62         throw ee;
63     }
64 }