LineDisplay Class

Definition

Namespace:

Windows.Devices.PointOfService

Represents a line display device.

public ref class LineDisplay sealed : IClosable

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 262144)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class LineDisplay final : IClosable

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 262144)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class LineDisplay : System.IDisposable

Public NotInheritable Class LineDisplay
Implements IDisposable

Inheritance

Object Platform::Object IInspectable LineDisplay

Attributes

ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Implements

IClosable IDisposable

Windows requirements

Device family	Windows 10 Creators Update (introduced in 10.0.15063.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v4.0)

Remarks

This object is created when a GetDefaultAsync or FromIdAsync method completes.

See the line display sample for an example implementation.

Version history

Windows version	SDK version	Value added
1709	16299	CheckPowerStatusAsync
1709	16299	StatisticsCategorySelector

Properties

Capabilities	Gets the capabilities of the specified line display.
DeviceControlDescription	Gets the device control description of the line display.
DeviceControlVersion	Gets the device control version number of the line display.
DeviceId	Gets the DeviceInformation.Id of the line display.
DeviceServiceVersion	Gets the service version number of the line display.
PhysicalDeviceDescription	Gets the physical device description.
PhysicalDeviceName	Gets the physical device name.
StatisticsCategorySelector	Gets the standard UnifiedPOS statistics category selector strings.

Methods

CheckPowerStatusAsync()	Gets the current power status of the device.
ClaimAsync()	Attempts to gain exclusive access to the line display.
Close()	Close the line display session, allowing it to be claimed by another client. For C++ and JavaScript, use Close(). For C# and Visual Basic, use Dispose().
Dispose()	Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
FromIdAsync(String)	Creates a LineDisplay object from the DeviceInformation.Id.
GetDefaultAsync()	Returns the first available line display.
GetDeviceSelector()	Gets an Advanced Query Syntax (AQS) string that you can use to list the available line displays.
GetDeviceSelector(PosConnectionTypes)	Gets an Advanced Query Syntax (AQS) string that you can use to list the line displays available over the specified connection types