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ResourceDictionary.Add Method

Adds a resource by key to this ResourceDictionary.

Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)

public void Add(
	Object key,
	Object value


Type: System.Object
The name of the key to add.
Type: System.Object
The value of the resource to add.


IDictionary.Add(Object, Object)


The ResourceDictionary is locked or read-only.


An element with the same key already exists in the Hashtable.

Attempting to add a duplicate key raises an exception.

Keys are always added to the base dictionary. Keys in MergedDictionaries within the current ResourceDictionary are not checked for duplication, only the base dictionary is checked for duplicates.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.