Upload file to cloud/azure blob storage

Class to upload file stream to a cloud
Using Microsoft.WindowsAzure.Storage;
Using Microsoft.WindowsAzure.Storage.Blob;
/// <summary>
/// Uplpoads file stream to a cloud
/// </summary>
class VKUploadToCloud
{
    str storageConnStr;
    str containerName;

    public static VKUploadToCloud construct(str _storageConnStr, str _containerName = '')
    {
        VKUploadToCloud uploadToCloud = new VKUploadToCloud();

        uploadToCloud.parmStorageConnStr(_storageConnStr);
        uploadToCloud.parmContainerName(_containerName);

        return uploadToCloud;
    }

    public str parmStorageConnStr(str _storageConnStr = storageConnStr)
    {
        storageConnStr = _storageConnStr;

        return storageConnStr;
    }

    public str parmContainerName(str _containerName = containerName)
    {
        containerName = _containerName;

        return containerName;
    }

    /// <summary>
    /// Uploads stream to a cloud
    /// </summary>
    /// <param name = "_blobName">file anme</param>
    /// <param name = "_reportMs">stream</param>
    /// <returns>URL</returns>
    public URL upload(str _blobName, System.IO.MemoryStream _reportMs)
    {
        System.Exception    ex;
        URL                    downloadLink = '';

        try
        {
            CloudBlobClient         cloudBlobClient;
            CloudBlobContainer      cloudBlobContainer;
            CloudStorageAccount     cloudStorageAccount;
            CloudBlockBlob          cloudBlockBlob;

            cloudStorageAccount     = CloudStorageAccount::Parse(storageConnStr);
            cloudBlobClient         = cloudStorageAccount.CreateCloudBlobClient();
            cloudBlobContainer      = cloudBlobClient.GetContainerReference(containerName);
            cloudBlockBlob          = cloudBlobContainer.GetBlockBlobReference(_blobName);

            cloudBlockBlob.UploadFromStream(_reportMs, null, null, null);
            downloadLink = cloudBlockBlob.Uri.AbsoluteUri;
        }
        catch(Exception::CLRError)
        {
            ex = ClrInterop::getLastException();
            if (ex != null)
            {
                ex = ex.get_InnerException();
                if (ex != null)
                {
                    error(ex.ToString());
                }
            }
        }
        catch(ex)
        {
            error(ex.Message);
        }

        return downloadLink;
    }

}
Usage:
            System.Byte[]                    reportBytes = new System.Byte[0]();
            reportBytes = srsproxy.renderReportToByteArray(srsReportRunController.parmReportContract().parmReportPath(),
                parameterValueArray,
                printerSettings.fileFormat(),
                printerSettings.deviceinfo());

            if (reportBytes)
            {
                System.IO.MemoryStream     stream = new System.IO.MemoryStream(reportBytes);
                URL                        downloadLink;
                VKUploadToCloud            uploadToCloud = VKUploadToCloud::construct(
                        'DefaultEndpointsProtocol=https;AccountName={AccountName};AccountKey={AccountKey};EndpointSuffix=core.windows.net',
                        'invoices'
                    );
                
                downloadLink = uploadToCloud.upload(fileName, stream);
            }
To browse result:
- Open connect dialog
- Storage account or service
- Account name and key
- populate Display name, Account name, Account key

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