Hi, I have a ContentPage which i show as PushModalAsync but in one case I am showing it as MainPage How can I check how the page was opened? was it opened as PushModalAsync or MainPage? Thanks, Jassim

Hello, Welcome to our Microsoft Q&A platform! If you open page as PushModalAsync . You can use var CurrentPage = Navigation.ModalStack.ToList<Page>().Last<Page>(); code to get the current display page. If you want to get all of opened page by PushModalAsync . Please use following code. List<Page> pages= Navigation.ModalStack.ToList<Page>(); Best Regards, Leon Lu If the response is helpful, please click " Accept Answer " and upvote it. Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

How to check if Page is MainPage?

Accepted answer

Leon Lu (Shanghai Wicresoft Co,.Ltd.) 77,406 Reputation points Microsoft Vendor

2021-08-26T03:12:40.043+00:00
Hello,

Welcome to our Microsoft Q&A platform!

If you open page as PushModalAsync. You can use var CurrentPage = Navigation.ModalStack.ToList<Page>().Last<Page>(); code to get the current display page.

If you want to get all of opened page by PushModalAsync. Please use following code.

List<Page> pages= Navigation.ModalStack.ToList<Page>();

Best Regards,

Leon Lu

If the response is helpful, please click "Accept Answer" and upvote it.

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Jassim Al Rahma 1,591 Reputation points

2021-08-26T12:49:51.94+00:00

Hi,

I tried this in my PushModalAsync opened page:

var CurrentPage = Navigation.ModalStack.ToList<Page>().Last<Page>(); App.Current.MainPage.DisplayAlert("CurrentPage", CurrentPage.ToString(), "");

but getting:

System.ArgumentNullException: Value cannot be null.
Parameter name: cancel

Leon Lu (Shanghai Wicresoft Co,.Ltd.) 77,406 Reputation points Microsoft Vendor

2021-08-27T01:44:25.773+00:00

Please add a string to third parameter like following code. Do not leave it to empty.

App.Current.MainPage.DisplayAlert("CurrentPage", CurrentPage.ToString(), "Ok");
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