PM> Install-Package net-ipfs-api

using (var ipfs = new IpfsClient())
{
  //Name of the file to add
  string fileName = "test.txt";

  //Wrap our stream in an IpfsStream, so it has a file name.
  IpfsStream inputStream = new IpfsStream(fileName, File.OpenRead(fileName));

  MerkleNode node = await ipfs.Add(inputStream);

  Stream outputStream = await ipfs.Cat(node.Hash);

  using(StreamReader sr = new StreamReader(outputStream))
  {
    string contents = sr.ReadToEnd();

    Console.WriteLine(contents); //Contents of test.txt are printed here!
  }
}

using (var ipfs = new IpfsClient())
{
    var peers = await ipfs.Swarm.Peers();
    await ipfs.Swarm.Disconnect(peers);
}

try
{
    var cts = new CancellationTokenSource(1000);
    
    using (var httpClient = new HttpClient() { Timeout = Timeout.InfiniteTimeSpan })
    using (var ipfsClient = new IpfsClient(new Uri("http://127.0.0.1:5001"), httpClient))
    {
        //The CancellationTokenSource will cancel the task after 1 second
        //Simulate a 2 second delay for this example to ensure the task gets cancelled
        await Task.Delay(2000);
        var result = await ipfsClient.Cat("QmPb8TjUbiRm1M9pvz8QW14PfBjkQyRitnJCZ95oRTRYBt", cts.Token);
    }
}
catch (TaskCanceledException)
{
    Console.WriteLine("The request was canceled");                
}