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Alex Rivera
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I have multithreads application and i get this error ************** Exception Text ************** System.InvalidOperationException: Collection was modified; enumeration operation may not execute. at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at System.Collections.Generic.List`1.Enumerator.MoveNextRare() at System.Collections.Generic.List`1.Enumerator.MoveNext() ... I probably have problem with my collection, because on one thread i read my collection and on another thread i modify collection. public readonly ObservableCollectionThreadSafe<GMapMarker> Markers = new ObservableCollectionThreadSafe<GMapMarker>(); public void problem() { foreach (GMapMarker m in Markers) { ... } } I am trying to lock collection with this code, but doesn't work. public void problem() { lock(Markers) { foreach (GMapMarker m in Markers) { ... } } } Any ideas to fix that problem?
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