IsolatedStorageSettings.Contains Method

Determines if the application settings dictionary contains the specified key.

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

public bool Contains(
	string key
)

Parameters

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

Return Value

Type: System.Boolean
true if the dictionary contains the specified key; otherwise, false.

ExceptionCondition
ArgumentNullException

key is null.

Use this method to determine whether a key is present in the dictionary.

Silverlight

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.

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