private void NavigateTo(NavigationState nextState, NavigationEvent evt)
{
if (_currentState == nextState)
{
return;
}
var currentPresenter = _currentState?.GetPresenter();
var nextPresenter = nextState?.GetPresenter();
_currentState = null;
if (nextPresenter != null)
{
_currentState = nextState;
nextPresenter.Navigator = this;
nextPresenter.Display(evt);
}
if (currentPresenter != null)
{
currentPresenter.Dismiss();
currentPresenter.Navigator = null;
}
}