Program.cs

using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Blob;
using Microsoft.WindowsAzure.Storage.Core.Util;
using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
 
namespace AzureBlobAsyncProgress
{
    class Program
    {
 
        static long totalBytes = 0;
 
        static void Main(string[] args)
        {
 
            UploadBlobAsync().GetAwaiter().GetResult();
 
            Console.WriteLine("Blob uploaded");
            Console.ReadLine();
        }
 
        static double ConvertBytesToMegabytes(long bytes)
        {
            return (bytes / 1024f) / 1024f;
        }
 
        private static async Task UploadBlobAsync()
        {
            CloudStorageAccount storageAccount = CloudStorageAccount.Parse("YOUR_STORAGE_ACCOUNT_CONNECTION_STRING");
 
            var client = storageAccount.CreateCloudBlobClient();
            var container = client.GetContainerReference("wavs");
            await container.CreateIfNotExistsAsync();
 
            var file = File.Open("audio.wav", FileMode.Open);
            totalBytes = file.Length;
            var blob = container.GetBlockBlobReference(file.Name);
 
            var progressHandler = new Progress& amp; amp; amp; lt; StorageProgress & amp; amp; amp; gt; ();
            progressHandler.ProgressChanged += ProgressHandler_ProgressChanged;
 
            //await blob.UploadFromStreamAsync(file);
            // UploadFromStreamAsync(Stream source, AccessCondition accessCondition, BlobRequestOptions options, OperationContext operationContext, IProgress<StorageProgress> progressHandler, CancellationToken cancellationToken);
            await blob.UploadFromStreamAsync(file, null, new BlobRequestOptions(), new OperationContext(), progressHandler, CancellationToken.None);
 
        }
 
        private static void ProgressHandler_ProgressChanged(object sender, StorageProgress e)
        {
            double dProgress = ((double)e.BytesTransferred / totalBytes) * 100.0;
 
            Console.WriteLine($"{dProgress.ToString("0.00")}% Bytes transferred: { ConvertBytesToMegabytes(e.BytesTransferred).ToString("0.00")}MB from {ConvertBytesToMegabytes(totalBytes).ToString("0.00")}MB");
        }
    }
}