Downloading NuGet packages with 'System.Net.WebClient' from an Azure DevOps Artifact feed

Get-NugetPackage.ps1

param(

    $package,
    $version,
    $azdoOrg,
    $feedname,
    # provide a, Azure DevOps PAT if it a private feed
    $pat,
    $DestinationPath = "$package-$version.zip"
)

 
# URI format for PowerShell gallery is simply   
# $uri = "https://www.powershellgallery.com/packages/$package/$version"

# URI format for PowerShell gallery is more complex    
$parsedversion = [Version]::Parse($version)
$uri= "https://pkgs.dev.azure.com/$azdoOrg/_packaging/$feedName/nuget/v2?id=$($package.ToLower())&version=$($parsedversion.major).$($parsedversion.minor).$($parsedversion.build)"


[System.Net.WebClient] $webClient = New-Object -TypeName 'System.Net.WebClient';
$webClient.Headers.Add('user-agent', $labDefaults.ModuleName);
$BufferSize = 1MB

if ($pat) {      
    $feedPasword =  ConvertTo-SecureString -String $pat -AsPlainText -Force
    $Credential = New-Object System.Management.Automation.PSCredential ('AzureDevOps', $feedPasword)
    $webClient.Credentials = $Credential;
}

[System.IO.Stream] $inputStream = $webClient.OpenRead($Uri);
[System.UInt64] $contentLength = $webClient.ResponseHeaders['Content-Length'];
$path = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($DestinationPath);
[System.IO.Stream] $outputStream = [System.IO.File]::Create($path);
[System.Byte[]] $buffer = New-Object -TypeName System.Byte[] -ArgumentList $BufferSize;
[System.UInt64] $bytesRead = 0;
[System.UInt64] $totalBytes = 0;
$writeProgessActivity = $localized.DownloadingActivity -f $Uri;

do {

    $iteration ++;
    $bytesRead = $inputStream.Read($buffer, 0, $buffer.Length);
    $totalBytes += $bytesRead;
    $outputStream.Write($buffer, 0, $bytesRead);
    ## Avoid divide by zero
    if ($contentLength -gt 0) {

        if ($iteration % 30 -eq 0) {

            [System.Byte] $percentComplete = ($totalBytes / $contentLength) * 100;
            $writeProgressParams = @{
                Activity = $writeProgessActivity;
                PercentComplete = $percentComplete;
                Status = $localized.DownloadStatus -f $totalBytes, $contentLength, $percentComplete;
            }
            Write-Progress @writeProgressParams;
        }
    }
}
while ($bytesRead -ne 0)

$outputStream.Close();
Get-Item -Path $path;