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RegionOfInterest Class

  • Reference

Definition

Namespace:
Windows.Media.Devices
Edit

Represents a region of interest which is a rectangular region on the image which is used for functions such as focus and exposure.

public ref class RegionOfInterest sealed
/// [Windows.Foundation.Metadata.Activatable(65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class RegionOfInterest final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
class RegionOfInterest final
[Windows.Foundation.Metadata.Activatable(65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class RegionOfInterest
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
public sealed class RegionOfInterest
function RegionOfInterest()
Public NotInheritable Class RegionOfInterest
Inheritance
Object Platform::Object IInspectable RegionOfInterest
Attributes
ActivatableAttribute ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows requirements

Device family
Windows 10 (introduced in 10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced in v1.0)

Remarks

Get an instance of this class by accessing the RegionOfInterest property.

The region of interest specifies the rectangular area of preview that functions such as focus and exposure are computed over. This enables scenarios such as tap to focus.

Constructors

RegionOfInterest()

Creates a new instance of the RegionOfInterest control.

Properties

AutoExposureEnabled

Gets or sets a value that specifies if auto exposure is enabled.
AutoFocusEnabled

Gets or sets a value that specifies if auto focus is enabled.
AutoWhiteBalanceEnabled

Gets or sets a value that specifies if auto white balance is enabled.
Bounds

Gets or sets the rectangle that defines the region of focus.
BoundsNormalized

Gets or sets a value indicating whether the Bounds Rect is in pixels or is mapped to a range of 0 to 1.0.
Type

Gets or sets the type of region represented by the RegionOfInterest object.
Weight

Gets or sets the weight of the region of interest.

Applies to

See also