private void RBSNavigationSystem_ModifyViewDoneButtonPressed(object sender, EventArgs e)
 {
     CurrentViewModelWhole = _RegistrationViewModel;
 }
 private void RBSNavigationSystem_ModifyViewCancelButtonPressed(object sender, EventArgs e)
 {
     CurrentViewModelWhole = _SplashScreenViewModel;
 }
 private void RBSNavigationSystem_SplashScreenLoginButtonPressed(object sender, EventArgs e)
 {
     CurrentViewModelWhole = _AuthenticationViewModel;
 }
 private void RBSNavigationSystem_RegistrationScreenRegisterButtonClicked(object sender, EventArgs e)
 {
     CurrentViewModelWhole = _AuthenticationViewModel;
 }
 public AuthenticationWindowLogic()
 {
     InitialiseAllViewModels();
     NavigationEventsHookUp();
     CurrentViewModelWhole = _SplashScreenViewModel;
 }