C# Download fil fra Azure Files Storage.

using Microsoft.AspNet.Mvc;
using System.IO;
using System.Threading.Tasks;

public class FileResultFromStream : ActionResult
{
    public FileResultFromStream(string fileDownloadName, Stream fileStream, string contentType)
    {
        FileDownloadName = fileDownloadName;
        FileStream = fileStream;
        ContentType = contentType;
    }

    public string ContentType { get; private set; }
    public string FileDownloadName { get; private set; }
    public Stream FileStream { get; private set; }

    public async override Task ExecuteResultAsync(ActionContext context)
    {
        var response = context.HttpContext.Response;
        response.ContentType = ContentType;
        context.HttpContext.Response.Headers.Add("Content-Disposition", new[] { "attachment; filename=" + FileDownloadName });
        await FileStream.CopyToAsync(context.HttpContext.Response.Body);
    }
}

using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Auth;
using Microsoft.WindowsAzure.Storage.File;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading.Tasks;

    public async Task<Stream> GetFileStreamAsync(string fileName)
    {
        var uri = new Uri(share.Uri + "/" + fileName);
        var file = new CloudFile(uri, credentials);

        // Note: Do not wrap the stream variable in a Using, since it will close the stream too soon.
        var stream = new MemoryStream();
        await file.DownloadToStreamAsync(stream);
        stream.Seek(0, SeekOrigin.Begin);
        return stream;
    }

[HttpGet]
    [Route("GetFile")]
    public async Task<IActionResult> GetFile(string username, string password, string fullName)
    {
        var client = new AzureFilesClient.AzureFilesClient(username, password);
        Stream stream = await client.GetFileStreamAsync(fullName);
        string fileName = Path.GetFileName(fullName);
        return new CustomActionResults.FileResultFromStream(fileName, stream, "application/msword");
    }