c# - Workflow background thread - how to wait -

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i have persistent workflow (runned workflowapplication class) , need unit test correctness of runnung workflow.

i running workflow unit test , runs fine, except receive error message in output window:

system.appdomainunloadedexception: attempted access unloaded appdomain. can happen if test(s) started thread did not stop it. make sure threads started test(s) stopped before completion.

i want test results of workflow run after persisted , unloaded, use code this:

autoresetevent waithandle = new autoresetevent(false); workflowapplication wfapp = new workflowapplication(workflowtypeinstance, inputs); wfapp.unloaded = delegate(workflowapplicationeventargs e) {        waithandle.set(); }; // .... wfapp.run(); waithandle.waitone();

the problem is, workflow application background thread not terminate right after unload of workflow, test method does. causes error message in output window.

any idea / approach / point how wait background thread termination?


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