private void CancelEditCurrentCustomTarget()
        {
            if (EditCustomTarget != null)
            {
                EditCustomTarget.RollBack();
                IsCustomTargetEditor = false;
                EditCustomTarget     = null;
            }

            CustomTargets.Remove(CurrentCustomTarget);
        }
 private void EditCurrentCustomTarget()
 {
     IsCustomTargetEditor = true;
     EditCustomTarget     = CurrentCustomTarget;
     EditCustomTarget.RollBack();
 }