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ResourceDictionary.Item Property

Gets or sets the value associated with the given key.

Namespace: System.Windows
Assembly: PresentationFramework (in presentationframework.dll)
XML Namespace:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

public Object this [
	Object key
] { get; set; }
/** @property */
public final Object get_Item (Object key)

/** @property */
public final void set_Item (Object key, Object value)

 See Remarks. 

Parameters

key

The desired key to get or set.

Property Value

Value of the key.

If the requested key is not in this resource dictionary, the framework resource system will also check the merged dictionaries.

Checking a ResourceDictionary by item or index is not generally the preferred way to retrieve resources. You should instead call methods that are capable of participating in the full resource lookup process and look up resources by their keys, and that can find the resources in applications or themes. FindResource is such a method, and is present on any FrameworkElement. Otherwise your attempt to find the resource does not match the true run-time behavior.

However, obtaining resources directly from an individual dictionary might be appropriate if you are retrieving resources from a known ResourceDictionary location, and are doing so to avoid the possible performance and scope implications of run-time key lookup.

You do not use indexers to define collection members in XAML. Instead, you create child elements in markup. The child elements are either child elements of ResourceDictionary, or of a property element where the property type is ResourceDictionary. For details, see the XAML usage sections in the ResourceDictionary class topic.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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