C # add, delete, and modify windows users and groups

For more information about the invoke call parameters of directoryentry, see: http://msdn.microsoft.com/zh-cn/library/aa746340 (En-US ). aspxusing system; using system. collections. generic; using system. LINQ; using system. text; using system. directoryservices; namespace usage. framework. security {// <summary> /// computer user and group operation class // </Summary> public class userandgrouphelper {Private Static readonly string Path = "winnt: // "+ environment. machinename; // <sum Mary> /// Add a Windows user /// </Summary> /// <Param name = "username"> User Name </param> /// <Param name = "Password "> password </param> /// <Param name =" group "> group </param> /// <Param name =" Description "> description </param> public static void adduser (string username, string password, string group, string description) {using (directoryentry dir = new directoryentry (PATH) {using (directoryentry user = dir. children. add (username, "User") // Add the user name {user. properties ["fullname"]. add (username); // The full name of the user. invoke ("setpassword", password); // user password. invoke ("put", "Description", description); // detailed user description // user. invoke ("put", "passwordexpired", 1); // you need to change the password user for the next login. invoke ("put", "userflags", 66049); // The Password Never Expires // user. invoke ("put", "userflags", 0x0040); // the user cannot change the password s user. commitchanges (); // save user using (directoryentry GRP = dir. children. fi Nd (group, "group") {If (GRP. Name! = "") {GRP. invoke ("add", user. path. tostring ()); // Add a user to a group }}}/// <summary> /// change the Windows User Password /// </Summary> /// <Param name = "username"> User Name </param> // <Param name = "newpassword"> New Password </param> Public static void updateuserpassword (string username, string newpassword) {using (directoryentry dir = new directoryentry (PATH) {using (directoryentry user = dir. children. find (username, "user") {user. invoke ("setpassword", new object [] {newpassword}); User. commitchanges ();}}} /// <summary> /// delete a Windows user /// </Summary> /// <Param name = "username"> username </param> Public static void removeuser (string username) {using (directoryentry dir = new directoryentry (PATH) {using (directoryentry user = dir. children. find (username, "user") {dir. children. remove (User );}}} /// <summary> /// Add a Windows User Group /// </Summary> /// <Param name = "groupname"> group name </param> // <param name = "Description"> description </param> Public static void addgroup (string groupname, string description) {using (directoryentry dir = new directoryentry (PATH) {using (directoryentry group = dir. children. add (groupname, "group") {group. invoke ("put", new object [] {"Description", description}); group. commitchanges ();}}} /// <summary> /// Delete the Windows User Group /// </Summary> /// <Param name = "groupname"> group name </param> Public static void removegroup (string groupname) {using (directoryentry dir = new directoryentry (PATH) {using (directoryentry group = dir. children. find (groupname, "group") {dir. children. remove (Group );}}}}}