you are correct, this is not possible. You can't directly access the SDE from WPF. You will need to use an gpk to make changes or some workaround to load featureclasses from the SDE onto your map.
you are correct, this is not possible. You can't directly access the SDE from WPF. You will need to use an gpk to make changes or some workaround to load featureclasses from the SDE onto your map.