“Not Responding” in window title when running in new process

Question

I have a long running method that must run on UI thread. (Devex - gridView.CopyToClipboard())

I do not need the UI to be responsive while c

Answer 1

The timeout, documented in IsHungAppWindow, cannot be changed. Don't use global state to manage a local problem.

You have to optimize the part that causes unresponsiveness. For example use caching, virtual grid (DevExpress calls it "server mode"), paging, delegate the sorting to an ibindinglistview filter that does a database query (uses database index) instead of in-memory sorting (no indexing) or implement IAsyncOperation on your clipboard data so you would only need to populate the data when the user does a paste.