How to connect two computers through windows application?

Question

Hi...
i want to connect two computers than i want to share some file or folders with each other that can be download and upload through desktop application....
using dot net c#..
so how it is possible

please help me...

Sam Hobbs · Answer

WCF Tutorials

Pravin Ghadge · Answer

Hi Kanhilal Are you using Server & client connectivity?

Vijay Yadav · Answer

Kanhialal have you tried the Jaganathan suggestions. Please try that...! :)

Kanhialal kk · Answer

@ Vijay Yadav: sir I am using LAN.. and I have need of your help

Jaganathan Bantheswaran · Answer

Hi Try like this using System; using System.Runtime.InteropServices; using System.Security.Principal; using System.IO; namespace RemoteCredentials { class MainClass { [DllImport( advapi32.dll SetLastError = true )] private static extern bool LogonUser( string lpszUsername string lpszDomain string lpszPassword int dwLogonType int dwLogonProvider ref IntPtr phToken ); [DllImport(kernel32.dll CharSet = CharSet.Auto)] private unsafe static extern int FormatMessage(int dwFlags ref IntPtr lpSource int dwMessageId int dwLanguageId ref String lpBuffer int nSize IntPtr *arguments); [DllImport( kernel32.dll CharSet = CharSet.Auto SetLastError = true )] private static extern bool CloseHandle( IntPtr handle ); [DllImport(advapi32.dll CharSet = CharSet.Auto SetLastError = true)] public extern static bool DuplicateToken( IntPtr existingTokenHandle int SECURITY_IMPERSONATION_LEVEL ref IntPtr duplicateTokenHandle ); // logon types const int LOGON32_LOGON_INTERACTIVE = 2; const int LOGON32_LOGON_NETWORK = 3; const int LOGON32_LOGON_NEW_CREDENTIALS = 9; // logon providers const int LOGON32_PROVIDER_DEFAULT = 0; const int LOGON32_PROVIDER_WINNT50 = 3; const int LOGON32_PROVIDER_WINNT40 = 2; const int LOGON32_PROVIDER_WINNT35 = 1; /// /// The main entry point for the application. /// [STAThread] static void Main(string[] args) { IntPtr token = IntPtr.Zero; IntPtr dupToken = IntPtr.Zero; bool isSuccess = LogonUser( userId 192.19.12.46 password LOGON32_LOGON_NEW_CREDENTIALS LOGON32_PROVIDER_DEFAULT ref token ); if( !isSuccess ) { RaiseLastError(); } isSuccess = DuplicateToken( token 2 ref dupToken ); if( !isSuccess ) { RaiseLastError(); } WindowsIdentity newIdentity = new WindowsIdentity( dupToken ); WindowsImpersonationContext impersonatedUser = newIdentity.Impersonate(); DirectoryInfo dirInfo = new DirectoryInfo( @\192.19.12.46\sharedfolder ); FileInfo[] files = dirInfo.GetFiles(); impersonatedUser.Undo(); foreach( FileInfo file in files ) { Console.WriteLine( file.FullName ); } isSuccess = CloseHandle( token ); if( !isSuccess ) { RaiseLastError(); } } // GetErrorMessage formats and returns an error message // corresponding to the input errorCode. public unsafe static string GetErrorMessage( int errorCode ) { int FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x00000100; int FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200; int FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000; int messageSize = 255; string lpMsgBuf = ; int dwFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS; IntPtr ptrlpSource = IntPtr.Zero; IntPtr ptrArguments = IntPtr.Zero; int retVal = FormatMessage(dwFlags ref ptrlpSource errorCode 0 ref lpMsgBuf messageSize &ptrArguments); if( retVal == 0 ) { throw new ApplicationException( string.Format( Failed to format message for error code '{0}'. errorCode ) ); } return lpMsgBuf; } private static void RaiseLastError() { int errorCode = Marshal.GetLastWin32Error(); string errorMessage = GetErrorMessage( errorCode ); throw new ApplicationException( errorMessage ); } } }

Vijay Yadav · Answer

Hi If you are connected in LAN then this is possible i have done samething in web application and using IIS. With the help of PC name you can achieve this. Lets other member also come up with the suggestions...! :)