in the "How do i" sample, there is a "move a feature" under Dynamic Shapes. i tried it myself, it generated an error that says "ArgumentNullException was unhandled - the parameter you supplied may not be null". The code is:
inMemoryLayer.EditTools.TranslateByOffset("BlueMarker", xOffset, yOffset, GeographyUnit.Meter, DistanceUnit.Meter);
any ideas?