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Application.InstallState Property

Silverlight

Gets the current out-of-browser installation state of the application.

Namespace: System.Windows
Assembly: System.Windows (in System.Windows.dll)

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public InstallState InstallState { get; }

Property Value

Type: System.Windows.InstallState
The out-of-browser installation state of the application.

Remarks

Use this property to determine whether a user has installed the application for use outside the browser. To determine whether the current application instance is running outside the browser, use the IsRunningOutOfBrowser property.

Examples

The following code example demonstrates how to use this property. This example is part of a larger example available in How to: Implement Offline Support for Out-of-Browser Applications.

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private void UpdateUI()
{
    UpdateNetworkIndicator();

    installButton.Visibility =
        app.InstallState == InstallState.NotInstalled ?
        Visibility.Visible : Visibility.Collapsed;

    updateButton.Visibility =
        app.IsRunningOutOfBrowser ? 
        Visibility.Visible : Visibility.Collapsed;

    isRunningOutOfBrowserTextBlock.Text = 
        app.IsRunningOutOfBrowser.ToString();

    installStateTextBlock.Text = app.InstallState.ToString();
}

private void UpdateNetworkIndicator()
{
    networkIndicator.Visibility =
        app.IsRunningOutOfBrowser ?
        Visibility.Visible : Visibility.Collapsed;

    bool online = NetworkInterface.GetIsNetworkAvailable();

    networkIndicator.Text = online ?
        "ONLINE" : "OFFLINE";

    updateButton.Visibility = online ?
        Visibility.Visible : Visibility.Collapsed;
}

Version Information