|
public static WhenNavigatedTo ( this This, Func |
||
| This | this | |
| onNavigatedTo | Func |
Called when the ViewModel is navigated /// to - return an IDisposable that cleans up all of the things that are /// configured in the method. |
| return | IDisposable | |
public static IDisposable WhenNavigatedTo(this IRoutableViewModel This, Func<IDisposable> onNavigatedTo)
{
IDisposable inner = null;
var router = This.HostScreen.Router;
return router.NavigationStack.CountChanged.Subscribe(_ => {
if (router.GetCurrentViewModel() == This) {
if (inner != null) inner.Dispose();
inner = onNavigatedTo();
} else {
if (inner != null) {
inner.Dispose();
inner = null;
}
}
});
}
