How to get the full url from a sharepoint workflow using c #

Question

I have a custom workflow associated with a list sharepoint 2010 using c#. This workflow is executed when you create a new item in the list and depending on the value of the url is the code that I run. My question. How I can get the full url from a sharepoint workflow?

I use:

var url = System.Web.HttpContext.Current.Request.Url.PathAndQuery;

Result: Error, the object is null or is not an instance

Answer 1

Try to use SPWorkflowActivationProperties.WebUrl