如何在 C# 中获取 Active Directory 的类列表

Question

我试图获取 Active Directory 的类和属性列表。DirectoryEntry entry = new DirectoryEntry(        "LDAP://CN=Schema,CN=Configuration,DC=addomain,DC=com",        null, null, AuthenticationTypes.Secure);ActiveDirectorySchema schema = ActiveDirectorySchema.GetCurrentSchema();ActiveDirectorySchemaClass User = schema.FindClass("account");foreach (ActiveDirectorySchemaProperty property in User.GetAllProperties()){    Console.WriteLine("{0}", property.Name);}这将返回指定类的所有属性。如何获取 Active Directory 中存在的所有类？