private void WiggleToGhostField()
{//textboxex by default set bindings on lost focus
//so we have a ghost control on each tab and will wiggle focus to it and back to commit data on saves...
UIElement elem = Keyboard.FocusedElement as UIElement;
Keyboard.Focus(ghost);
Keyboard.Focus(ghost2);
Keyboard.Focus(elem);
//notify all children user conrtols to wiggle as wel...
_viewModel.NotifyWiggleToGhostField();
}