Button that downloads a file from a link to a website

var httpClient = new HttpClient();
var responseStream = await httpClient.GetStreamAsync(requestUrl);
using var fileStream = new FileStream(localFilePath, FileMode.Create);
responseStream.CopyTo(fileStream);

using var foo = new SomeDisposable();
// code

using (var foo = new SomeDisposable())
{
    // code
}