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Namespace:

Windows.Storage

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// Registerevent_token DataChanged(TypedEventHandler<ApplicationData, IInspectable const&> const& handler) const;// Revoke with event_tokenvoid DataChanged(event_token const* cookie) const;// Revoke with event_revokerApplicationData::DataChanged_revoker DataChanged(auto_revoke_t, TypedEventHandler<ApplicationData, IInspectable const&> const& handler) const;

public event TypedEventHandler<ApplicationData,object> DataChanged;

function onDataChanged(eventArgs) { /* Your code */ }applicationData.addEventListener("datachanged", onDataChanged);applicationData.removeEventListener("datachanged", onDataChanged);- or -applicationData.ondatachanged = onDataChanged;

Public Custom Event DataChanged As TypedEventHandler(Of ApplicationData, Object)

Event Type

Examples

This example registers for the DataChanged event.

void InitHandlers(){   Windows.Storage.ApplicationData.Current.DataChanged +=       new TypedEventHandler<ApplicationData, object>(DataChangeHandler);}void DataChangeHandler(Windows.Storage.ApplicationData appData, object o){   // TODO: Refresh your data}

void MainPage::InitHandlers(){    Windows::Storage::ApplicationData::Current().DataChanged({ this, &MainPage::DataChangeHandler });}void MainPage::DataChangeHandler(Windows::Storage::ApplicationData const& /* appData */, Windows::Foundation::IInspectable const& /* object */){    // TODO: Refresh your data.}

void MainPage::InitHandlers(){   Windows::Storage::ApplicationData::Current->DataChanged +=       ref new TypedEventHandler<Windows::Storage::ApplicationData^, Object^>      (this, &MainPage::DataChangeHandler);}void MainPage::DataChangeHandler(Windows::Storage::ApplicationData^ appData, Object^){   // TODO: Refresh your data}

Private Sub InitHandlers()    AddHandler Windows.Storage.ApplicationData.Current.DataChanged, AddressOf DataChangeHandlerEnd SubPrivate Sub DataChangeHandler(ByVal appData As Windows.Storage.ApplicationData, ByVal o As Object)    ' TODO: Refresh your dataEnd Sub

Remarks

The event handler receives anApplicationData object that provides access to the changed roaming data containers. For more information, seeRoaming data.

See also

• Roaming data