IDictionary(String, Object).ContainsKey Method

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

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

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

Parameters

key
Type: System.String
The key for the entry to be located.

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)

ExceptionCondition
ArgumentNullException

key is null.

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.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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