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DeviceInformation.FindAllAsync(String) method

Enumerates DeviceInformation objects matching the specified Advanced Query Syntax (AQS) string.

Syntax


Public Shared Function FindAllAsync(
  aqsFilter As String 
) As IAsyncOperation(Of DeviceInformationCollection)

Parameters

aqsFilter

Type: System.String [.NET] | Platform::String [C++]

An AQS string that filters the DeviceInformation objects to enumerate. Typically this string is retrieved from the GetDeviceSelector method of a class that interacts with devices. For example, GetDeviceSelector retrieves the string for the StorageDevice class.

Return value

Type: IAsyncOperation<DeviceInformationCollection>

The object for managing the asynchronous operation.

Remarks

Important  This method is not available using JavaScript. If you try to use it, your code will instead call FindAllAsync(DeviceClass) with an invalid class and return a collection with all devices. Instead, you should use FindAllAsync(String, IIterable(String) with null as the second parameter if no other properties are needed.

Requirements (device family)

Device family

Universal

API contract

Windows.Foundation.UniversalApiContract, introduced version 1.0

Namespace

Windows.Devices.Enumeration
Windows::Devices::Enumeration [C++]

Metadata

Windows.Foundation.UniversalApiContract.winmd

Requirements (operating system)

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.Devices.Enumeration
Windows::Devices::Enumeration [C++]

Metadata

Windows.winmd

See also

DeviceInformation
FindAllAsync
FindAllAsync(DeviceClass)
FindAllAsync(String, IIterable_1)

 

 

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