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DataPackagePropertySetView.HasKey | hasKey method

Indicates whether the DataPackagePropertySetView object contains a specific property.

Syntax


var boolean = dataPackagePropertySetView.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.

Remarks

With the DataPackagePropertySetView class, use HasKey as a way to see whether the object contains a specific property. This is useful in situations where your app requires a custom property that the DataPackagePropertySetView object doesn't directly support. For more info, see IMapView(String, Object).

Requirements (Windows 10 device family)

Device family

Universal

API contract

Windows.Foundation.UniversalApiContract, introduced version 1.0

Namespace

Windows.ApplicationModel.DataTransfer
Windows::ApplicationModel::DataTransfer [C++]

Metadata

Windows.Foundation.UniversalApiContract.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 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Namespace

Windows.ApplicationModel.DataTransfer
Windows::ApplicationModel::DataTransfer [C++]

Metadata

Windows.winmd

See also

DataPackagePropertySetView

 

 

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