ID card Reader Code C #

Two classes:
ReadIDCardService.CS

Using System; Using System.Collections.Generic; Using System.Linq; Using System.Runtime.InteropServices; Using System.Text;

public class Readidcardservice {
Public Idcard readidcard (int Port) {StringBuilder Name = new StringBuilder (31);             StringBuilder Gender = new StringBuilder (3);             StringBuilder Folk = new StringBuilder (10);             StringBuilder birthday = new StringBuilder (9);             StringBuilder Code = new StringBuilder (19);             StringBuilder address = new StringBuilder (71);             StringBuilder Agency = new StringBuilder (31);             StringBuilder Expirestart = new StringBuilder (9); StringBuilder expireend = new StringBuilder (9);
Initialize port//int intopenret = Initcomm (1001);             if (Intopenret!= 1)//{//throw new Exception (""); //}
Set the current operation of the HID interface iDR210 if (Hidselect (Port) {//card authentication int intreadret =                 Authenticate ();                     if (Intreadret!= 1) {//closecomm ();                 throw new Exception (""); }
Read ID information int intreadbaseinfosret = Readbaseinfos (Name, Gender, Folk, Birthday, Code, address, Agency, EXPI                 restart, expireend);                     if (Intreadbaseinfosret!=-3) {//closecomm ();                 throw new Exception (""); }
Hid_beepled (True,true, 200);
                Idcard carddata = new Idcard ();                 Carddata.cardno = code.tostring (). Trim ();                 carddata.name = name.tostring (). Trim ();                 carddata.sex = gender.tostring (). Trim ();                 carddata.nationality = folk.tostring (). Trim ();                 Carddata.birthday = birthday.tostring (). Trim ();                 carddata.address = address.tostring (). Trim ();                 carddata.institution = agency.tostring (). Trim ();                 carddata.begin_validity = expirestart.tostring (). Trim ();                 carddata.end_validity = Expireend.tosTring (). Trim ();                 Carddata.photodirectory = System.IO.Directory.GetCurrentDirectory () + "//photo.bmp";
Closecomm ();             return carddata;                 else {//closecomm ();             throw new Exception (""); }         }
        [DllImport ("Sdtapi.dll")] "        private static extern int Initcomm (int Port)//initialization         [DllImport ("Sdtapi.dll")] [        private static extern int Au Thenticate ()//Card certification         [DllImport ("Sdtapi.dll")] [       ] private static extern void Closecomm (); Closing ports         [DllImport ("Sdtapi.dll")]         private static extern int Readbas Einfos (StringBuilder Name,             StringBuilder Gender, StringBuilder Folk, Stringbuild Er birthday, StringBuilder Code, StringBuilder address,             StringBuilder Agency, St Ringbuilder Expirestart, StringBuilder expireend)/Read data         [DllImport ("Sdtapi.dll")]   & nbsp     private static extern int hid_beepled (bool beepon, bool LeDon, int duration); Buzzer         [DllImport ("Sdtapi.dll")]         private static extern bool Hidselect (int index); Set the current operation of the HID interface iDR210         [DllImport ("Sdtapi.dll")]         private static Exte RN int CardOn (); Determine if the ID card is on the device

}
---------------------
IDCard.CS
Using System; Using System.Collections.Generic; Using System.Linq; Using System.Text;


public class Idcard {public string name;//name public string sex;//sex public string Cardno; /ID number public string nationality; National public, string birthday; Birthday public string address;//home address public string institution;//issuing authority public string begin_validity      //valid start public string end_validity;//valid end public string photodirectory;//photo path; }
--------------------------------------------
Call:
[DllImport ("Sdtapi.dll")] private static extern int Initcomm (int Port);//initialization

///
  int Intopenret = Initcomm (1001);             if (Intopenret!= 1)             {   / /initialization failure                            {    &N Bsp       Try           {              &NBS P Readidcardservice readidcardservice = new Readidcardservice ();                 Idcard carddata = Readidcardservice.readidcard (1);                 string SFZ = carddata.cardno;//Here you can get the ID card after reading the card information     &NBSP ;                                   C Atch (Exception ex)             {                IF (ex. Message!= "")                     }