Windows Dev Center

PropertySet.HasKey | hasKey method

Indicates whether the property set has an item with the specified key.

Syntax


var boolean = propertySet.hasKey(key);

Parameters

key

Type: String [JavaScript] | Platform::String [C++]

The key.

Return value

Type: Boolean [JavaScript] | Platform::Boolean [C++]

True if the property set has an item with the specified key; otherwise, false.

Requirements (Windows 10 device family)

Device family

Universal

API contract

Windows.Foundation.FoundationContract, introduced version 1.0

Namespace

Windows.Foundation.Collections
Windows::Foundation::Collections [C++]

Metadata

Windows.Foundation.FoundationContract.winmd

Requirements (Windows 8.x and Windows Phone 8.x)

Minimum supported client

Windows 8

Minimum supported server

Windows Server 2012

Minimum supported phone

Windows Phone 8

Namespace

Windows.Foundation.Collections
Windows::Foundation::Collections [C++]

Metadata

Windows.winmd

See also

PropertySet

 

 

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