private void TryAddItem(IProjectItem projectItem)
{
IProjectContext projectContext = (IProjectContext)ProjectXamlContext.GetProjectContext(projectItem.Project);
if (projectContext == null)
{
return;
}
IProjectDocument document1 = projectContext.GetDocument(DocumentReferenceLocator.GetDocumentLocator(projectItem.DocumentReference));
if (document1 != null && document1.DocumentType == ProjectDocumentType.ResourceDictionary && this.FindProvider(projectItem) == null)
{
IDocument document2 = projectItem.Document;
this.ProjectResourceAssetAggregator.AddProvider((AssetProvider) new ResourceDictionaryAssetProvider(this.DesignerContext.ResourceManager.GetContentProviderForResourceDictionary(projectItem)));
}
this.ProjectAssetProvider.NeedsUpdate = true;
}