//Copyright (c) Microsoft Corporation. All rights reserved. using System.Collections.Generic; using Microsoft.WindowsAPICodePack.Shell; namespace Microsoft.WindowsAPICodePack.Shell.PropertySystem { internal class ShellPropertyDescriptionsCache { private ShellPropertyDescriptionsCache() { propsDictionary = new Dictionary<PropertyKey, ShellPropertyDescription>(); } private IDictionary<PropertyKey, ShellPropertyDescription> propsDictionary = null; private static ShellPropertyDescriptionsCache cacheInstance = null; public static ShellPropertyDescriptionsCache Cache { get { if (cacheInstance == null) { cacheInstance = new ShellPropertyDescriptionsCache(); } return cacheInstance; } } public ShellPropertyDescription GetPropertyDescription(PropertyKey key) { if (!propsDictionary.ContainsKey(key)) { propsDictionary.Add(key, new ShellPropertyDescription(key)); } return propsDictionary[key]; } } }
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