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(C# UWP/WinRT) Restart/Resume FTP UploadDemonstrates how to restart / resume an FTP upload.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.Ftp2 ftp = new Chilkat.Ftp2(); ftp.Hostname = "ftp.example.com"; ftp.Username = "login"; ftp.Password = "password"; // Connect and login to the FTP server. bool success = await ftp.ConnectAsync(); if (success != true) { Debug.WriteLine(ftp.LastErrorText); return; } // Change to the remote directory where the file will be uploaded. success = await ftp.ChangeRemoteDirAsync("temp"); if (success != true) { Debug.WriteLine(ftp.LastErrorText); return; } // In this example, assume that a previous FTP upload failed, // and the incomplete file (bigFile.zip) exists on the FTP server. // You only need to set the RestartNext property to resume // the upload. When RestartNext is set, the next call // to PutFile (or PutFileFromBinaryData, PutFileFromTextData) // will automatically resume the upload from the point of failure. // (The way it works is that the FTP component sends a "SIZE" // command to the FTP server to find out how many bytes of // the file already exist on the server. It then begins // uploading from that point. // Note: After PutFile is called, the RestartNext property // is automatically set to false. ftp.RestartNext = true; // Upload a file with restart. string localFilename = "bigFile.zip"; string remoteFilename = "bigFile.zip"; success = await ftp.PutFileAsync(localFilename,remoteFilename); if (success != true) { Debug.WriteLine(ftp.LastErrorText); return; } success = await ftp.DisconnectAsync(); Debug.WriteLine("File Uploaded!"); |
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