Or basically, can a workflow instance send a message to the host?
I've spent the better part of a week trying to determine if this is even possible. My searching hasn't turned up too many examples of this and the ones I've seen do not seem to work. The few examples I found suggest using a CallExternalMethodActivity to
the external data exchange service, which then raises an event that the host is subscribed to (as
seen here ).
Below is my simplest attempt at achieving this:
static void Main(string args)
using(WorkflowRuntime workflowRuntime = new WorkflowRuntime())
AutoResetEvent waitHandle = new AutoResetEvent(false);
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