在ASP.NET中，当HttpContext.Current为NULL时，如何获取physcial文件路径？

I'm working with DotNetNuke's scheduler to schedule tasks and I'm looking to get the physical file path of a email template that I created. The problem is that HttpContext is NULL because the scheduled task is on a different thread and there is not http request. How would you go about getting the file's physical path?I'm working with DotNetNuke's scheduler to sche