CachedResourceDictionaryExtension.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Presentation / System / Activities / Presentation / CachedResourceDictionaryExtension.cs / 1305376 / CachedResourceDictionaryExtension.cs
                        

                        
                            //---------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------

namespace System.Activities.Presentation 
{
    using System; 
    using System.Collections.Generic; 
    using System.Linq;
    using System.Text; 
    using System.Windows;
    using System.Windows.Markup;

    [MarkupExtensionReturnType(typeof(ResourceDictionary))] 
    public class CachedResourceDictionaryExtension : MarkupExtension
    { 
        static Dictionary Cache = new Dictionary(); 

        public Uri Source { get; set; } 

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            ResourceDictionary resourceDictionary = null; 
            // disable caching till the wpf mergedictionaries in theme dictionary bug is fixed.
            if (!Cache.TryGetValue(this.Source, out resourceDictionary)) 
            { 
                resourceDictionary = new ResourceDictionary();
                resourceDictionary.Source = this.Source; 
                Cache.Add(this.Source, resourceDictionary);
            }
            return resourceDictionary;
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------

namespace System.Activities.Presentation 
{
    using System; 
    using System.Collections.Generic; 
    using System.Linq;
    using System.Text; 
    using System.Windows;
    using System.Windows.Markup;

    [MarkupExtensionReturnType(typeof(ResourceDictionary))] 
    public class CachedResourceDictionaryExtension : MarkupExtension
    { 
        static Dictionary Cache = new Dictionary(); 

        public Uri Source { get; set; } 

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            ResourceDictionary resourceDictionary = null; 
            // disable caching till the wpf mergedictionaries in theme dictionary bug is fixed.
            if (!Cache.TryGetValue(this.Source, out resourceDictionary)) 
            { 
                resourceDictionary = new ResourceDictionary();
                resourceDictionary.Source = this.Source; 
                Cache.Add(this.Source, resourceDictionary);
            }
            return resourceDictionary;
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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