Lire un fichier avec la metbode readTextAsync

Bonjour

En uwp on lit les fichiers I.O avec la methode readTextAsync

Code:

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Private Async Function readfile() As Task(Of String) Dim folder As Windows.Storage.StorageFolder = Await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync("Assets") Dim file As Windows.Storage.StorageFile file = Await folder.GetFileAsync("test.txt") Return Await Windows.Storage.FileIO.ReadTextAsync(file) End Function

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je voudrais appeler la fonction readfile dans le loading event de la mainpage

Code:

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Private listr As Task(Of String) Private Sub MainPage_Loading(sender As FrameworkElement, args As Object) Handles Me.Loading listr = readfile() 'do something using listr End Sub

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Comme readfile est async readfile sera accomplit après le loading donc listr n'a aucun element :(
Comment proceder? :?
Merci

voila

Pour qu'une methode async soit accomplit dans le mainpageloading event il faut modifier le mainpageloading en methode async
ce qui donne

Code:

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Private list2 As String Private Async Function readfile() As Task(Of String) Dim file As Windows.Storage.StorageFile Dim folder As Windows.Storage.StorageFolder = Await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync("Assets") file = Await folder.GetFileAsync("fichier.txt") Return Await Windows.Storage.FileIO.ReadTextAsync(file) End Function   Private Async Sub MainPage_Loading(sender As FrameworkElement, args As Object) Handles Me.Loading list2 = Await readfile() End Sub

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