Ziparchive Createentry



CreateEntry, y le pasamos el nombre con el que queremos identificarlo. Creating Release. UnZipFile()方法,传入的第一个参数为欲解压的文件位置(解压缩位置LocalFolder中新建一个文件夹,可以根据实际需求进行修改),第二个参数为压缩文件的字节数组,这个数组可能来源于网络下载或者其他独立存储空间中的文件。. These are the top rated real world C# (CSharp) examples of ZipArchive extracted from open source projects. 我一直试图让"新建"ziparchive纳入. Ich versuche, ein neues ZIP-Paket aus Code mit einem Eintrag zu erstellen und das ZIP-Paket in einer Datei zu speichern. In particular I suspect it might happen when an exception is thrown and that the code still tries to send a response to the browser. com 2016 嘿!代码 copy right 嘿!代码-计算机编程入门网站,关注软件开发最新技术,搜集网站建设热门资源。. The ZipFile class makes it easy to compress directories. Compression) from a series of byte arrays. I will demonstrate how to perform these actions and how to avoid the pitfalls in using some of these methods. FileSystem assembly in your project, you can access two extension methods for the ZipArchiveEntry class. Para más fácil, le pasamos el nombre original mediante FileInfo. CreateEntry not found. Hi! I am trying generate zip file and download, but downloaded zip file is damaged, I am using. CreateEntryFromFile extracted from open source projects. Today I faced an issue with ASP. Strong-name signed assemblies must specify a public key in their InternalsVisibleTo declarations. 6 Ein absolutes Muss - Geballtes Wissen aus mehr als 8 Jahren [email protected]!. ZipFile is simpler than developing custom. The following example shows how to create an entry and write to it by using a. Per configurare la posta elettronica in pop3 in Outlook 2016 o altra versione, durante l'aggiunta account selezionare pop. Compression. ZipArchive class. com | Email:info at java2s. All rights reserved. NET-Framworks kennt, vermutet nicht, dass ihm grundlegende Funktionen für die Komprimierung fehlen. The postLoad method is called also by import! Since postLoad is the recommended place to set values for the virtual fields, this potentially slow-down the import process unnecessarily. NET / Всем привет, хочу сделать скачивание ZIP- архива файлов из базы данных браузером. Data\Utils\IO\Compression\Zip. almost 4 years. By voting up you can indicate which examples are most useful and appropriate. In particular I suspect it might happen when an exception is thrown and that the code still tries to send a response to the browser. ZIP is a well known format for archiving a bunch of files for sharing purposes. Mono master is the latest development revision of the VM available on Github. I am trying to create a new ZIP package from code with one entry and save the ZIP package to a file. Windows 8开发 WinRT 对ZIP文件解压缩及文件夹的ZIP压缩 在开发一个Win8 Modern UI APP时,如果需要用到ZIP压缩和解压文件(注意不是GZIP),可能会首先想到使用SharpZipLib,由于我们在WP7的时候就使用的这个类库. Dispose extracted from open source projects. UnZipFile()方法,传入的第一个参数为欲解压的文件位置(解压缩位置LocalFolder中新建一个文件夹,可以根据实际需求进行修改),第二个参数为压缩文件的字节数组,这个数组可能来源于网络下载或者其他独立存储空间中的文件。. Active 1 month ago. A wrapper for the specified entry in the archive; null if the entry does not exist in the archive. Is there a way to create a Zip archive that contains multiple files, when the files are currently in memory? The files I want to save are really just text only and are stored in a string class in my application. ZipArchive class. On Android, entry is defined and the functions completes. CreateEntry method, as @AngeloReis pointed out in the comments, and described here for a slightly different problem. Using Unicode in Filenames and File Comments (Full Version Only) Introduction. You can try out DotNetZip library (get it via NuGet). 我一直试图让"新建"ziparchive纳入. NET application on Windows that is allocated to that application. Compression. In particular I suspect it might happen when an exception is thrown and that the code still tries to send a response to the browser. To retrieve an file in a zip archive, use ZipArchive. Here, I am presenting one more tip regarding archiving files as ZIP and extracting it. Ich versuche, ein neues ZIP-Paket aus Code mit einem Eintrag zu erstellen und das ZIP-Paket in einer Datei zu speichern. Questo blog non rappresenta una testata giornalistica in quanto viene aggiornato senza alcuna periodicità. Here is a code sample, where i use. Кажется, что он работает, но когда я пытаюсь извлечь файлы, я получаю. 不怎么会表达,多多见谅,直接上代码吧!前端的代码:后端的多文件上传:其实单文件和多文件一样的,这里我一起贴出来:需要注意的是如果上传大文件时需要设置上传的限制,因为默认是20M,设置请参照https:. Ask Question Asked 6 years, 3 months ago. CreateEntry(docuValue. The parameters of the ZipArchive. Retrieve an file in a zip archive. 5以上で利用可能です。 簡単なファイル解凍・圧縮 ファイルの解凍 ファイルの圧縮 複雑なアーカイブ操作 アーカイブ内のファイルを列挙する アーカイブから1つだけファイルを取り出す アーカイブ. Streaming Zip on ASP. To retrieve an file in a zip archive, use ZipArchive. CreateEntry(String) has the following parameters. There's a special storage location for a. Changeset 12467. 6 Ein absolutes Muss - Geballtes Wissen aus mehr als 8 Jahren [email protected]!. I was using ZipArchive to compress files to a zip package, and it seems that ZipArchiveEntry stream is a memroy stream and does not write buffer to physical file even if after flush. White space changes. txt」というファイルを追加して、そこに文字列を書き込んでいます。. Mono master is the latest development revision of the VM available on Github. Here is a code sample, where i use cp866 encoding: private string GenerateZipFile(string filename, BetPool betPool) { using (var zip = new ZipFile(Encoding. In WinRT abbiamo a disposizione un insieme di classi del namespace System. NET Core Nov 11, 2016 • Comments A few weeks ago, I wrote about using PushStreamContent on ASP. Als ein Beispiel, von einer API die ich benutze bin ich am Ende mit einem List und jede Attachment hat eine Eigenschaft namens Body was ist ein byte[]. Ich versuche, dies mit der System. To add new files to an existing zip archive, use ZipArchive. ziparchive createentry (3) 私の質問は、 "System. मैं एक प्रविष्टि के साथ कोड से एक नया ज़िप पैकेज बनाने का प्रयास कर रहा हूं और ज़िप पैकेज को किसी फ़ाइल में सहेज सकता हूं। मैं इसे सिस्टम । आईओ. OK, I Understand. Para más fácil, le pasamos el nombre original mediante FileInfo. 1 / Windows Server 2012 R2 you can find this as Update for Microsoft Windows (KB3045563) under Installed Updates in Control Panel. 500 arquivos, ou seja já foi bem útil. How to use ZipArchive class to compress the file under a particular folder in Metro style application? Entry ZipArchiveEntry entry = zipArchive. NET Core 的時候發現這個套件不能使用,那只好默默地自己寫了 這邊就用 System. UnZipFile()方法,传入的第一个参数为欲解压的文件位置(解压缩位置LocalFolder中新建一个文件夹,可以根据实际需求进行修改),第二个参数为压缩文件的字节数组,这个数组可能来源于网络下载或者其他独立存储空间中的文件。. filename()); // Opens the created file entry and copies the binary file information of the original file to the file entry in the zip folder. CreateEntry method, as @AngeloReis pointed out in the comments, and described here for a slightly different problem. Using Unicode in Filenames and File Comments (Full Version Only) Introduction. This documentation refers to the latest version of UI for WPF. A compressed ZIP file is created. To retrieve all of the files in a zip archive, use ZipArchive. Получаются следующие действия: 1. OpenApi plugin) corrupt the attachment file which is returned by the service and older vesions of Swagger UI (which is used in ServiceStack. net core 学习笔记 ( upload/download files 文件上传与下载 ). I have a service which returns a pdf file as attachment with Content-Disposition header. ZipArchive CreateEntry returns null for valid filepath in Xamarin. With CreateFromDirectory, we specify an input folder and an output file. cs" file if the source code is installed on your machine). C# (CSharp) ZipArchive - 30 examples found. The stream that contains the archive to be read. 程式範例:byte[] 不落地壓縮 ZIP 檔. This documentation refers to the latest version of UI for WPF. The path to the file to be archived. I love JSON format. Streaming Zip on ASP. 还有一个常用的场景是, 上传图片要做 EXIF 处理. Note: At the moment MS have been supported too many responses about files such as "FileStreamResult" "FileContentResult" , so with the MS's support is only for a big file exists already, so with a big file it does not exist and we need to go many places to retrieve it, MS does not support. Here is a code sample, where i use cp866 encoding: private string GenerateZipFile(string filename, BetPool betPool) { using (var zip = new ZipFile(Encoding. I love JSON format. // // ・エントリの追加: ZipArchive. Кажется, что он работает, но когда я пытаюсь извлечь файлы, я получаю. ZipArchive. Compression. It’s called isolated storage and it’s an optimal place to store files by an application that doesn’t have full access to the file system. 5以上で利用可能です。 簡単なファイル解凍・圧縮 ファイルの解凍 ファイルの圧縮 複雑なアーカイブ操作 アーカイブ内のファイルを列挙する アーカイブから1つだけファイルを取り出す アーカイブ. CreateEntry(String) has the following parameters. Using Unicode in Filenames and File Comments (Full Version Only) Introduction. Refer below link and implement it by changing in your mvc application. Ich habe Visual Studio Express 2012 für Windows Desktop. Join a community of over 2. FileSystem assembly in your project, you can access two extension methods for the ZipArchiveEntry class. Google Chromeでテキストファイルの中身を見ようとしたら文字化けして見れない!ってことがあります。 Chromeのデフォルト設定は文字コードがShift-JIS(シフトジス)なので、最近よく使われているUTF. Here is a code sample, where i use cp866 encoding: private string GenerateZipFile(string filename, BetPool betPool) { using (var zip = new ZipFile(Encoding. As an example, from an API I am using I end up with a. CreateEntry. CreateEntry méthode, comme @AngeloReis souligné dans les commentaires, et décrit ici pour un problème un peu différent. public ActionResult ControllerMethod(int id. 不怎么会表达,多多见谅,直接上代码吧!前端的代码:后端的多文件上传:其实单文件和多文件一样的,这里我一起贴出来:需要注意的是如果上传大文件时需要设置上传的限制,因为默认是20M,设置请参照https:. Zip Files with C#. The following example shows how to create an entry with the optimal compression level. Compression. Note: At the moment MS have been supported too many responses about files such as "FileStreamResult" "FileContentResult" , so with the MS's support is only for a big file exists already, so with a big file it does not exist and we need to go many places to retrieve it, MS does not support. You can rate examples to help us improve the quality of examples. To retrieve an file in a zip archive, use ZipArchive. The stream that contains the archive to be read. The method enables you to specify a directory hierarchy when adding the entry. NET project. almost 4 years ZipArchive. Cb3b124c8#\6c15ab46955884eefcbf79170f8db927\System. Ignore: Blank lines. Other option is to use ZipArchive. 转载请注明: ZipArchive For Windows 8 Apps | 学步园 +复制链接. 该日志由 georgette 于7年前发表在综合分类下,最后更新于 2012年09月13日. On Android, entry is defined and the functions completes. ziparchive createentry (2) Is it somehow possible to create a ZipArchive from the file(s) in memory (and not actually on the disk). I am trying to create a Zip file in. Discussions about building iOS and Android apps from one shared codebase using Xamarin. Posted on June 21, 2014 Updated on July 2, 2014. First to create zip, second to read from it. 6m developers to have your questions answered on Zip content of a folder into an encrypted Zip file of Telerik Document Processing ZipLibrary. In einem früheren Beitrag zur (De-)Kompression mit C# hatte ich bereits einen Beitrag zu ZIP-Archiven in Aussicht gestellt. 还有一个常用的场景是, 上传图片要做 EXIF 处理. Length of the data to decrypt is invalid. CreateEntry method, as @AngeloReis pointed out in the comments, and described here for a slightly different problem. Streaming Zip on ASP. Dispose - 21 examples found. However the major drawback of JSON is its size on disk. Net使用ZipArchive操作在MemoryStream中的ZIP文件时遇到的问题,并通过反射实现了将改动更新到BaseStream并读出数据的方法。. Compression. This works when I call the endpoint from the browser - file is downloaded. Windows 8开发 WinRT 对ZIP文件解压缩及文件夹的ZIP压缩 在开发一个Win8 Modern UI APP时,如果需要用到ZIP压缩和解压文件(注意不是GZIP),可能会首先想到使用SharpZipLib,由于我们在WP7的时候就使用的这个类库. The ZipFile class makes it easy to compress directories. NET Framework 4. To get more please visit link. For more information, please refer to this article. -or-The archive for this entry was opened with the Create mode, and this entry has already been written to. Case changes. 0we get a dedicated zip compression library that allows us to manipulate zip libraries. Como un ejemplo, de una API yo estoy usando el termino con una List y cada Attachment tiene una propiedad llamada Body que es un byte[]. Developed using C#. Following is the use case: Multiple files are received in an IEnumerable variable. almost 4 years ZipArchive. 6 - check to see that it is correctly installed. Hi jjmonty, From my point of view, I dont think you can do that. Mas eu fiz mais recomendações, como coloquei na resposta você tem mais problemas nesse código, sua controller faz mais que deveria, processamento de arquivo não é responsabilidade dela, use mais try/catch para ver onde ainda está estourando o erro e tratar como vc fez e descobriu sobre. Note: At the moment MS have been supported too many responses about files such as "FileStreamResult" "FileContentResult" , so with the MS's support is only for a big file exists already, so with a big file it does not exist and we need to go many places to retrieve it, MS does not support. Here is a code sample, where i use. To expand a compressed folder, we use ExtractToDirectory. Following is the use case: Multiple files are received in an IEnumerable<HttpPostedFile. i have used below code to achieve the requirement to compress a list of files under a particular folder. Those methods are ExtractToFile(ZipArchiveEntry, String) and ExtractToFile(ZipArchiveEntry, String, Boolean), and they enable you to decompress the contents of the entry to a file. FileSystem assembly in your project, you can access two extension methods for the ZipArchiveEntry class. 6m developers to have your questions answered on Zip content of a folder into an encrypted Zip file of Telerik Document Processing ZipLibrary. Compression. CreateEntry method should be string type. The API reference section of the documentation contains a list and descriptions of all public available classes, methods and properties of the UI for WPF product. 5以上で利用可能です。 簡単なファイル解凍・圧縮 ファイルの解凍 ファイルの圧縮 複雑なアーカイブ操作 アーカイブ内のファイルを列挙する アーカイブから1つだけファイルを取り出す アーカイブ. Stack Overflow em Português is a question and answer site for programadores profissionais e entusiastas. CreateEntry (file. Changeset 12467. Packaging,DocumentFormat. There are a few things that should keep in mind though while debugging AIF Services in Dynamics AX 2012. com Blogger 93 1 25 tag. NET Core Support; almost 4 years Operation is not supported. -or-The archive for this entry was opened with the Create mode, and this entry has already been written to. Compression. NET in previous posts, see link below. i have used below code to achieve the requirement to compress a list of files under a particular folder. For more information, please refer to this article. However on iOS, the entry I get back is null. CreateEntryFromFile extracted from open source projects. com is now in read-only mode. Here, I am presenting one more tip regarding archiving files as ZIP and extracting it. Я упаковываю файл/папку в архив и отдаю пользователю архив при скачивании. CreateEntry, y le pasamos el nombre con el que queremos identificarlo. CreateEntryメソッドを使えば、追加するファイルが存在しなくても、その内容をプログラムで書き込むことができます。 以下の例では、ZIP書庫に「1. -or-The entry has been deleted from the archive. 从 zip 存档中删除文件 ZipArchiveEntry Delete. If a Zip file has his origin in Linux or Mac. NET project. Introduction. Would this work to to update multiple files in an existing Zip File? 0 · ·. ZipArchive class can fail trying to return Entries Collection This Helps Class allows to obtain a Raw Collection of Entries from ZipArchive with no Path Checking. This site uses cookies for analytics, personalized content and ads. Questo blog non rappresenta una testata giornalistica in quanto viene aggiornato senza alcuna periodicità. There is a bug in the Mono implementation of System. Viewed 28k times 26. ZipFile can compress an entire directory. com Blogger 93 1 25 tag. Создание архива и запись его на диск. ZipFileクラスにて、日本語のディレクトリ名やファイル名を文字化けさせずに圧縮処理 - ZipFileSamples04. Durante a exportação do arquivo HTML para PDF usando iTextSharp e XMLWorker ocorre erro em algumas situações dizendo que determinada tag não está fechada e pesquisando encontrei esse post How to co. Join a community of over 2. Compression. Als ein Beispiel, von einer API die ich benutze bin ich am Ende mit einem List und jede Attachment hat eine Eigenschaft namens Body was ist ein byte[]. Creating an issue is great, but what we really love are pull requests. 7 posts published by Andras Nemes during February 2015. Estoy tratando de lograr esto con la clase System. This feature is compatible with WinZip Unicode support and allows creating cross-platform Unicode archives that are extractable by utilities provided with the system under Linux and OS X. These are the top rated real world C# (CSharp) examples of System. Join a community of over 2. You must have come across files that were archives using the tar file format. Strong-name signed assemblies must specify a public key in their InternalsVisibleTo declarations. NET in previous posts, see link below. about 4 years Add snk file to System. It would make sense to make a file I/O thread and a data compression thread, so both operation wont hurt each other performance. 从 zip 存档中检索所有文件 打开 zip 存档中包含的单一文件的流 ZipArchiveEntry Open. White space changes. net core 学习笔记 ( upload/download files 文件上传与下载 ). Hi fr3eddy,. Compression. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58. 4 Leadtools. CreateEntry. はい、 ZipArchive. In WinRT abbiamo a disposizione un insieme di classi del namespace System. By continuing to browse this site, you agree to this use. Changeset 12467. Discussions about building iOS and Android apps from one shared codebase using Xamarin. NET Core Nov 11, 2016 • Comments A few weeks ago, I wrote about using PushStreamContent on ASP. Ich versuche, ein neues ZIP-Paket aus Code mit einem Eintrag zu erstellen und das ZIP-Paket in einer Datei zu speichern. C#でZipファイルを扱う方法を紹介したいと思います。この機能は、結構最近追加されたため. The following code will show you how to leverage. ) in ZIP folder. Stream fileEntryStream = fileEntry. ZIP is a well known format for archiving a bunch of files for sharing purposes. How to use ZipArchive class to compress the file under a particular folder in Metro style application? Entry ZipArchiveEntry entry = zipArchive. Then it writes directly to the users' browser. NET to build a zip file on-demand that was totally asynchronous and did not have to buffer any intermeditate files in memory. Compression. 从 zip 存档文件中检索 ZipArchive GetEntry. Here, I am presenting one more tip regarding archiving files as ZIP and extracting it. It then can expand the compressed file into a new directory. CreateEntryFromFile OR ZipArchive. Etwas ungeschickt ist es jedoch, wenn dies beispielsweise in einem separaten Projekt ausgelagert werden soll, um jeweils von einer Desktop- und Web-Anwendung darauf zuzugreifen – außerhalb der ASP. Would this work to to update multiple files in an existing Zip File? 0 · ·. Tar files are most often used on Unix systems like Linux but it happens that you need to deal with them in a. For more information, please refer to this article. The entry is already currently open for writing. So, if you find an issue in the docs, or even feel like creating new content, we'd be happy to have your contributions! The basic steps are that you fork our documentation and submit a pull request. 所有zip文件都在数据库中. Compression ZipArchive. You can try out DotNetZip library (get it via NuGet). C# (CSharp) System. 需要注意的是写入 stream 后, 如果要读取 stream 记得, Seek 一下. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58. 500 arquivos, ou seja já foi bem útil. You include the relative path of the new entry within the zip package. Note: At the moment MS have been supported too many responses about files such as "FileStreamResult" "FileContentResult" , so with the MS's support is only for a big file exists already, so with a big file it does not exist and we need to go many places to retrieve it, MS does not support. CreateEntryFromFile extracted from open source projects. ZipArchive ) 在 ASP. Strong-name signed assemblies must specify a public key in their InternalsVisibleTo declarations. Here are the examples of the csharp api class System. ZipArchiveEntry Open. The path to the file to be archived. In einem früheren Beitrag zur (De-)Kompression mit C# hatte ich bereits einen Beitrag zu ZIP-Archiven in Aussicht gestellt. 土耳其六日游多少钱报团、 土耳其六日游多少钱报团、 土耳其六日游多少钱报团、 土耳其六日游行程安排参考、 土耳其六日. There’s a special storage location for a. 从 zip 存档中检索所有文件 打开 zip 存档中包含的单一文件的流 ZipArchiveEntry Open. Nello snippet seguente possiamo vedere. So if 26 weeks out of the last 52 had non-zero commits and the rest had zero commits, the score would be 50%. CreateEntryFromFile OR ZipArchive. There are lots of libraries and NuGet packages available. 从 zip 存档文件中检索 ZipArchive GetEntry. White space changes. ZipArchiveEntry fileEntry = zipArchive. It does not translate "NoCompression" into "Store", which means invalid entries get created for zero-byte streams. CreateEntry where it ignores the CompressionLevel argument altogether. Net使用ZipArchive操作在MemoryStream中的ZIP文件时遇到的问题,并通过反射实现了将改动更新到BaseStream并读出数据的方法。. NET Framework 的時候有好用的 DotNetZip 可以快速壓縮&解壓縮檔案 但在寫. NET とか Java とか Python絡みのメモを公開しています。最近Go言語勉強中。. Here are the examples of the csharp api class System. ZipArchive. I am trying to create a new ZIP package from code with one entry and save the ZIP package to a file. Kompression) von einer Reihe von byte-arrays. 5以上で利用可能です。 簡単なファイル解凍・圧縮 ファイルの解凍 ファイルの圧縮 複雑なアーカイブ操作 アーカイブ内のファイルを列挙する アーカイブから1つだけファイルを取り出す アーカイブ. Stream fileEntryStream = fileEntry. We use the CreateFromDirectory and ExtractToDirectory methods. The entry is already currently open for writing. Refer below link and implement it by changing in your mvc application. Note: At the moment MS have been supported too many responses about files such as "FileStreamResult" "FileContentResult" , so with the MS's support is only for a big file exists already, so with a big file it does not exist and we need to go many places to retrieve it, MS does not support. Here is an example on how to create a zip file for an attachment and sending a download link to the user. 1 / Windows Server 2012 R2 you can find this as Update for Microsoft Windows (KB3045563) under Installed Updates in Control Panel. A compressed ZIP file is created. However on iOS, the entry I get back is null. About the Author. C# (CSharp) System. zip archives hasn’t quite been complete. A questi vanno aggiunti i paramenti come segue:. We use cookies for various purposes including analytics. SetLevel(9); // 0-9, 9 being the highest compression. back to top #Simple API - static methods The ZipArchive class provides a set of static methods. Normally, this is not really an issue. Ask Question Asked 6 years, 7 months ago. ZipArchiveEntry. Questo blog non rappresenta una testata giornalistica in quanto viene aggiornato senza alcuna periodicità. It would make sense to make a file I/O thread and a data compression thread, so both operation wont hurt each other performance. 从 zip 存档中删除文件 ZipArchiveEntry Delete. Google Chromeでテキストファイルの中身を見ようとしたら文字化けして見れない!ってことがあります。 Chromeのデフォルト設定は文字コードがShift-JIS(シフトジス)なので、最近よく使われているUTF. RasterImage memory usage issues - We are running the following code in Linux container in a cloud cluster. But this file was represented to me as a string, some JSON, actually. So if 26 weeks out of the last 52 had non-zero commits and the rest had zero commits, the score would be 50%. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58. La compresión) a partir de una serie de matrices de bytes. In einem früheren Beitrag zur (De-)Kompression mit C# hatte ich bereits einen Beitrag zu ZIP-Archiven in Aussicht gestellt. ZipArchive CreateEntry. These are the top rated real world C# (CSharp) examples of System. A compressed ZIP file is created. Compression. It would make sense to make a file I/O thread and a data compression thread, so both operation wont hurt each other performance. com | © Demo Source and Support. Here is an example on how to create a zip file for an attachment and sending a download link to the user. net core 学习笔记 ( upload/download files 文件上传与下载 ). 1 / Windows Server 2012 R2 you can find this as Update for Microsoft Windows (KB3045563) under Installed Updates in Control Panel.