示例#1
0
        /// <summary>
        /// Verbindet die zuvor definierte Netzwerkfreigabe. Im Fehlerfall ein das Event NetworkError ausgelöst.
        /// </summary>
        /// <returns>Ergebnis des Verbindugsversuchs</returns>
        public String Connect()
        {
            var netResource = new NetworkResource()
            {
                _Scope        = ResourceScope.GlobalNetwork,
                _ResourceType = ResourceType.Disk,
                _DisplayType  = ResourceDisplaytype.Share,
                _RemoteName   = this._networkName
            };

            var userName = string.IsNullOrEmpty(this._credentials.Domain)
                ? this._credentials.UserName
                : string.Format(@"{0}\{1}", this._credentials.Domain, this._credentials.UserName);

            var result = WNetAddConnection2(
                netResource,
                this._credentials.Password,
                userName,
                0);


            if (result != 0)
            {
                if (this.NetworkError != null)
                {
                    String Errorhint = "";
                    if (this.Errorhints.ContainsKey(result.ToString()))
                    {
                        Errorhint += "\r\n" + this.Errorhints[result.ToString()];
                    }

                    this.NetworkError(this, new ErrorEventArgs("Error connecting to remote share \"" + this._networkName + "\" as user \"" + this._credentials.UserName + "@" + this._credentials.Domain + "\". Errorcode is: " + result.ToString() + Errorhint)); //Wieder einkommentieren
                    //this.NetworkError(this, new ErrorEventArgs("Error connecting to remote share \"" + this._networkName + "\" as user \"" + this._credentials.UserName + "@" + this._credentials.Domain + "\" using Password \"" + this._credentials.Password + "\". Errorcode is: " + result.ToString())); //DEBUG!! //Auskommentieren!!
                }
            }

            return(result.ToString());
        }
示例#2
0
        /// <summary>
        /// Verbindet die zuvor definierte Netzwerkfreigabe. Im Fehlerfall ein das Event NetworkError ausgelöst.
        /// </summary>
        /// <returns>Ergebnis des Verbindugsversuchs</returns>
        public String Connect(bool forcedisconnectother = false)
        {
            var netResource = new NetworkResource()
            {
                _Scope        = ResourceScope.GlobalNetwork,
                _ResourceType = ResourceType.Disk,
                _DisplayType  = ResourceDisplaytype.Share,
                _RemoteName   = this._networkName
            };

            var userName = string.IsNullOrEmpty(this._credentials.Domain)
                ? this._credentials.UserName
                : string.Format(@"{0}\{1}", this._credentials.Domain, this._credentials.UserName);

            var result = WNetAddConnection2(
                netResource,
                this._credentials.Password,
                userName,
                0);

            if (result != 0)
            {
                if (result == 1219 /*0x4c3*/)
                {
                    if (forcedisconnectother)
                    {
                        /*
                         * https://docs.microsoft.com/en-us/windows/win32/debug/system-error-codes--1000-1299-
                         * ERROR_SESSION_CREDENTIAL_CONFLICT
                         * 1219 (0x4C3)
                         * Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed. Disconnect all previous connections to the server or shared resource and try again.
                         *
                         * -> Sadly Windows even in 2020 is still not capable of connecting SMB as multiple-users simultainiously. We may need to close existings connections if we hit tis error code. However this will only we work if no active session is opened in explorer.
                         *     We may use: WNetCancelConnection2(networkName, 0, true); for this
                         *     -> See https://stackoverflow.com/questions/9085586/wnetaddconnection2-and-error-1219-automatically-disconnect/18700184
                         */

                        try
                        {
                            WNetCancelConnection2(this._networkName, 0, true);  //Force close an active SMB-Session to that resource
                        }
                        catch
                        {
                        }

                        /*
                         * disconnecttry++;
                         *
                         * if (disconnecttry > 3)
                         * {
                         *  System.c
                         * }
                         */
                    }
                }

                if (this.NetworkError != null)
                {
                    String Errorhint = "";
                    if (this.Errorhints.ContainsKey(result.ToString()))
                    {
                        Errorhint += "\r\n" + this.Errorhints[result.ToString()];
                    }


                    this.NetworkError(this, new ErrorEventArgs("Error connecting to remote share \"" + this._networkName + "\" as user \"" + this._credentials.UserName + "@" + this._credentials.Domain + "\". Errorcode is: " + result.ToString() + Errorhint)); //Wieder einkommentieren
                    //this.NetworkError(this, new ErrorEventArgs("Error connecting to remote share \"" + this._networkName + "\" as user \"" + this._credentials.UserName + "@" + this._credentials.Domain + "\" using Password \"" + this._credentials.Password + "\". Errorcode is: " + result.ToString())); //DEBUG!! //Auskommentieren!!
                }
            }

            return(result.ToString());
        }
示例#3
0
 private static extern int WNetAddConnection2(NetworkResource netResource,
                                              string password, string username, int flags);