请问在C#中如何调用ADSI创建用户和组并设置用户密码？急！！！

Question

from
http://groups.google.com/groups?q=C%23+ADSI+directoryentry+setpassword&hl=en&lr=&ie=UTF8&oe=UTF8&selm=maZpmDJ5BHA.1624%40cpmsftngxa07&rnum=5
using System; 
using System.DirectoryServices; namespace SampleCode 
{ 
        class CreateUserClass 
        { 
                [STAThread] 
                static void Main(string[] args) 
                { 
                        
CreateUser("LDAP://DOM/cn=users,dc=dom,dc=extest,dc=microsoft,dc=com", 
                                "Logon","FirstName","Last","paword"); 
                } 
                
                static bool CreateUser 
                ( 
                        string strContainerPath,//Parent Container 
                        string strLogon,        //Logon/SAMAccountName      
  
                        string strFirstName,    //User’s First Name 
                        string strLastName,     //User’s Last Name 
                        string strPassword      //Desired Password 
                ) 
                { 
                        DirectoryEntry oContainer, oNewUser; 
                        try 
                        { 
                                //Bind to the parent container 
                                oContainer = new 
DirectoryEntry(strContainerPath); 
                                oNewUser = oContainer.Children.Add("CN=" + 
strFirstName + " " + strLastName, "user"); 
                                //SAMAccountName is required! 
                                
oNewUser.Properties["sAMAccountName"].Add(strLogon); 
                                oNewUser.Properties["sn"].Add(strLastName); 
                                
oNewUser.Properties["givenName"].Add(strFirstName); 
                                //This will enable the account: 
                                
oNewUser.Properties["userAccountControl"].Add(544); 
                                //Save the Changes 
                                oNewUser.CommitChanges(); 
                                //Set Password 
                                oNewUser.Invoke("SetPassword", new string 
[]{strPassword}); 
                                return true; 
                        } 
                        catch(System.Exception exception) 
                        { 
                                //Report the error 
                                
System.Diagnostics.Debug.WriteLine("CreateUser(" + strLogon + ") FAILED: " 
+ exception.Message); 
                                return false;     
                        } 
                } 
        } 
}