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GattCharacteristic.ReadValueAsync() | readValueAsync() method

Performs a Characteristic Value read from the value cache maintained by Windows.

Syntax


gattCharacteristic.readValueAsync().done( /* Your success and error handlers */ );

Parameters

This method has no parameters.

Return value

Type: IAsyncOperation<GattReadResult>

The object required to manage the asynchronous operation, which, upon completion, returns a GattReadResult object, which in turn contains the completion status of the asynchronous operation and, if successful, the data read from the device.

Requirements (Windows 10 device family)

Device family

Universal, introduced version 10.0.10240.0 [for Xbox, see UWP features that aren't yet supported on Xbox]

API contract

Windows.Foundation.UniversalApiContract, introduced version 1.0

Namespace

Windows.Devices.Bluetooth.GenericAttributeProfile
Windows::Devices::Bluetooth::GenericAttributeProfile [C++]

Metadata

Windows.Foundation.UniversalApiContract.winmd

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

Minimum supported client

Windows 8.1

Minimum supported server

None supported

Minimum supported phone

Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Namespace

Windows.Devices.Bluetooth.GenericAttributeProfile
Windows::Devices::Bluetooth::GenericAttributeProfile [C++]

Metadata

Windows.winmd

See also

GattCharacteristic
ReadValueAsync(BluetoothCacheMode)

 

 

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