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ResourceDictionary.Contains Method

Determines whether the ResourceDictionary contains an element with the specified key.

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

public bool Contains(
	Object key
You cannot use methods in XAML.


Type: System.Object

The key to locate in the ResourceDictionary.

Return Value

Type: System.Boolean
true if ResourceDictionary contains a key-value pair with the specified key; otherwise, false.



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

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0