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Query update metadata

This code sample uses the IMetadataStore to retrieve updates by type and to filter updates by various metadata fields

Run the windows updates fetch sample first to populate the store with some updates.

// Open the local updates store
using var packageStore = PackageStore.Open("./store");

// Grab the first cumulative update that is superseded by another update
var firstUpdateAvailable = packageStore
    .OfType<SoftwareUpdate>()
    .FirstOrDefault(update => update.IsSupersededBy?.Count > 0 && 
    update.Title.Contains("cumulative", StringComparison.OrdinalIgnoreCase));

if (firstUpdateAvailable is not null)
{
    Console.WriteLine($"Software update in the store: {firstUpdateAvailable.Title}");
    Console.WriteLine($"Superseded by:");
    foreach (var supersededUpdateId in firstUpdateAvailable.IsSupersededBy)
    {
        var supersededByUpdate = packageStore
            .FirstOrDefault(update => update.Id == supersededUpdateId);
        if (supersededByUpdate is not null)
        {
            Console.WriteLine($"    {supersededByUpdate.Title}");
        }
    }    
}
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