ImportedNamespaceContextItem.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

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

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

namespace System.Activities.Presentation.Hosting 
{
    using System; 
    using System.Runtime; 
    using System.Collections.ObjectModel;
    using System.Activities.Presentation.Services; 
    using System.Activities.Presentation.Model;


    [Fx.Tag.XamlVisible(false)] 
    public sealed class ImportedNamespaceContextItem : ContextItem
    { 
        bool initialized = false; 
        Collection importedNamespaces;
 
        public Collection ImportedNamespaces
        {
            get
            { 
                if (this.importedNamespaces == null)
                { 
                    initialized = true; 
                    this.importedNamespaces = new Collection();
                } 
                return this.importedNamespaces;
            }
        }
 
        public override Type ItemType
        { 
            get { return typeof(ImportedNamespaceContextItem); } 
        }
 
        public void EnsureInitialized(EditingContext context)
        {
            if (!initialized)
            { 
                ModelService modelService = context.Services.GetService();
                Fx.Assert(modelService != null, "ModelService shouldn't be null in EditingContext."); 
                Fx.Assert(modelService.Root != null, "model must have a root"); 
                ModelItemCollection importsModelItem = modelService.Root.Properties[NamespaceListPropertyDescriptor.ImportCollectionPropertyName].Collection;
                Fx.Assert(importsModelItem != null, "root must have imports"); 
                foreach (ModelItem import in importsModelItem)
                {
                    this.ImportedNamespaces.Add(import.Properties[NamespaceListPropertyDescriptor.NamespacePropertyName].ComputedValue as string);
                } 
            }
        } 
    } 
}

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

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