Megosztás a következőn keresztül:


FileUpdateRequestedEventArgs Class

Definition

Provides information about a FileUpdateRequested event.

public ref class FileUpdateRequestedEventArgs sealed
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
class FileUpdateRequestedEventArgs final
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
public sealed class FileUpdateRequestedEventArgs
Public NotInheritable Class FileUpdateRequestedEventArgs
Inheritance
Object Platform::Object IInspectable FileUpdateRequestedEventArgs
Attributes

Windows requirements

Device family
Windows 10 (introduced in 10.0.10240.0 - for Xbox, see UWP features that aren't yet supported on Xbox)
API contract
Windows.Foundation.UniversalApiContract (introduced in v1.0)

Examples

The File picker contracts sample demonstrates how to respond to a FileUpdateRequested event.

// Event handler
void CachedFileUpdaterUI_FileUpdateRequested(CachedFileUpdaterUI sender, FileUpdateRequestedEventArgs args)
{
    fileUpdateRequest = args.Request;
    fileUpdateRequestDeferral = fileUpdateRequest.GetDeferral();
    switch (cachedFileUpdaterUI.UIStatus)
    {
        case UIStatus.Hidden:
            fileUpdateRequest.Status = FileUpdateStatus.UserInputNeeded;
            fileUpdateRequestDeferral.Complete();
            break;
        case UIStatus.Visible:
            break;
        case UIStatus.Unavailable:
            fileUpdateRequest.Status = FileUpdateStatus.Failed;
            fileUpdateRequestDeferral.Complete();
            break;
    }
}

// Register for the event
cachedFileUpdaterUI.FileUpdateRequested += CachedFileUpdaterUI_FileUpdateRequested;

args contains a FileUpdateRequestedEventArgs object.

Remarks

If your app participates in the Cached File Updater contract, a FileUpdateRequestedEventArgs is passed to your app's FileUpdateRequested event handler when the event fires. Use the FileUpdateRequestedEventArgs.Request property to get details about the requested update.

Properties

Request

Gets the details of the requested file update.

Applies to