c# async upload file

gistfile1.cs

private static async Task<bool> UploadFile(string filePath, string actionUrl)
{
    FileStream file = new FileStream(filePath, FileMode.Open, FileAccess.Read);
    HttpContent filePathContent = new StringContent(filePath);
    HttpContent fileStreamContent = new StreamContent(file);
    using (var client = new HttpClient())
    using (var formData = new MultipartFormDataContent())
    {
        formData.Add(filePathContent, "filepath");
        formData.Add(fileStreamContent, "file", Path.GetFileName(filePath));
        HttpResponseMessage response = await client.PostAsync(actionUrl, formData);
        if (!response.IsSuccessStatusCode)
        {
            log.Error("Error:" + filePath + " not uploaded");
            return false;
        }
        else
        {
            if (_debug) log.Debug("File:" + filePath + " has beed uploaded");
            return true;
        }

    }
}