WebNov 10, 2016 · The code which populates the XML file is accessed with using (var fs = new FileStream (filePath, FileMode.Open, FileAccess.ReadWrite, FileShare.Read)) { var xmlDoc = XDocument.Load (fs); foreach (...) { // add the element to xmlDoc xmlDoc.Save (filePath); } } And the code which reads the file in order to count the number of elements WebMay 7, 2013 · FileShare.Write or FileShare.ReadWrite should allow the other process (subject to permissions) to open and write to the file while you are reading it, however you'll have to watch for the file changing underneath you while you read it - simply buffering the contents upon opening may help here. ... C# - Can't upload a file to FTP server while ...
Reading a Text File in C# as it is being written to
WebJul 8, 2013 · To be able to read the file while it's being written, it must have been created with dwShareMode = FILE_SHARE_READ. You may have to ditch CopyFileEx and implement it yourself using CreateFile / ReadFile / WriteFile. For async reading/writing you can use the lpOverlapped parameter of ReadFile / WriteFile functions. Share Improve … WebSep 26, 2013 · I opened a file using notepad++ (75MB) During the 'File.Open' part, I edited the file and saved. That is when the copy stopped. I switched FileShare.ReadWrite to FileShare.Read and while the copying was happening, I could not edit the file (I am assuming this means the application would not be able to write to it while I was copying it). s12 world series schedule
c# - Read file that
WebApr 23, 2008 · The easiest thing to do is to use a lock file. A writer tries to open the lock file and if it does not exists, creates the lock file. A reader then opens the lock file and because it opens, it means the data file is locked so the reader goes away or waits. The writer deletes the lock file after the write operation is complete. WebWhen the file is writing in binary (byte by byte),create FileStream and above solutions Not working,because file is ready and wrotted in every bytes,so in this Situation you need other workaround like this: Do this when file created or you want to start processing on file WebAug 1, 2007 · Only if the writing and reading applications are cooperating. The key. would be to make sure that the file is opened by both applications with. appropriate sharing and modes, and to periodically attempt to read from. the file (every second or so, for example...don't do it too often, otherwise you'll kill performance). s12 wis