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CacheBase<T>.IsFileOutOfDateAsync Method

  • Reference

Definition

Namespace:
Microsoft.Toolkit.Uwp.UI
Assembly:
Microsoft.Toolkit.Uwp.UI.dll
Package:
Microsoft.Toolkit.Uwp.UI v6.1.1
Package:
Microsoft.Toolkit.Uwp.UI v7.0.2
Package:
Microsoft.Toolkit.Uwp.UI v7.1.2

Override-able method that checks whether file is valid or not.

protected virtual System.Threading.Tasks.Task<bool> IsFileOutOfDateAsync (Windows.Storage.StorageFile file, TimeSpan duration, bool treatNullFileAsOutOfDate = true);
abstract member IsFileOutOfDateAsync : Windows.Storage.StorageFile * TimeSpan * bool -> System.Threading.Tasks.Task<bool>
override this.IsFileOutOfDateAsync : Windows.Storage.StorageFile * TimeSpan * bool -> System.Threading.Tasks.Task<bool>
Protected Overridable Function IsFileOutOfDateAsync (file As StorageFile, duration As TimeSpan, Optional treatNullFileAsOutOfDate As Boolean = true) As Task(Of Boolean)

Parameters

file
Windows.Storage.StorageFile

storage file

duration
TimeSpan

cache duration

treatNullFileAsOutOfDate
Boolean

option to mark uninitialized file as expired

Returns

Task<Boolean>

bool indicate whether file has expired or not

Applies to