private void preload()
{
ShowBusyIndicator();
userService.GetAllUserGroupsDescriptions((res, exp) => appController.BeginInvokeOnDispatcher(() =>
{
HideBusyIndicator();
if (exp == null)
{
UserGroupList = res;
if (actionType == ActionType.ModifyUser)
{
loadUser();
}
}
else
{
appController.HandleException(exp);
}
}));
}
