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IsolatedStorageSettings.IDictionary<String, 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 IDictionary<TKey, TValue>.ContainsKey.

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

Syntax

'Declaration
Private Function ContainsKey ( _
    key As String _
) As Boolean Implements IDictionary(Of String, Object).ContainsKey

bool IDictionary<string, Object>.ContainsKey(
    string key
)

Parameters

Return Value

Type: System.Boolean
true if the IDictionary<TKey, TValue> contains an element with the specified key; otherwise, false.

Implements

IDictionary<TKey, TValue>.ContainsKey(TKey)

Exceptions

Exception Condition
ArgumentNullException

key is nulla null reference (Nothing in Visual Basic).

Remarks

This member is an explicit interface member implementation. It can be used only when the IsolatedStorageSettings instance is cast to an IDictionary<TKey, TValue> interface.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

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

Platforms

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