ResourceDictionary.IDictionary<Object, Object>.ContainsKey Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

For a description of this member, see ContainsKey.

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


Private Function ContainsKey ( _
    key As Object _
) As Boolean Implements IDictionary(Of Object, Object).ContainsKey
bool IDictionary<Object, Object>.ContainsKey(
    Object key


Return Value

Type: System.Boolean
true if the dictionary contains an element with the key; otherwise, false.


IDictionary<TKey, TValue>.ContainsKey(TKey)

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.