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I have a SharePoint workflow with a SendEmail activity. I use the MethodInvoking event handler to set the To property.
However, sometimes the workflow should not try to send an e-mail, because there is no e-mail address. I can detect such a condition in the MethodInvoking event handler. Is it possible to skip the SendEmail activity and proceed to the next one?
I know I can put IfElseActivity before SendEmail, but I am looking for a way to cancel activity execution.
From looking at the SDK, all activities have a Cancelling event. However, what I find seems to suggest that an activity is only cancelled if the entire workflow hits an error or is cancelled. It does not appear that you can manually cancel a single activity (I’m not sure the workflow would know what to do next). So an IfElse branch, or a ConditionedActivityGroup, would probably be your best shot.