IsolatedStorageSettings.IDictionary<(Of <(String, Object>)>).ContainsKey Method

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

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

For a description of this member, see IDictionary<(Of <(TKey, TValue>)>)..::.ContainsKey.

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

Syntax

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<(Of <(TKey, TValue>)>) contains an element with the specified key; otherwise, false.

Implements

IDictionary<(Of <(TKey, TValue>)>)..::.ContainsKey(TKey)

Exceptions

Exception Condition
ArgumentNullException

key is nullNothingnullptra 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<(Of <(TKey, TValue>)>) interface.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

See Also

Reference

IsolatedStorageSettings Class

System.IO.IsolatedStorage Namespace