VirtualSurfaceImageSource VirtualSurfaceImageSource VirtualSurfaceImageSource VirtualSurfaceImageSource Class

Definition

Extends SurfaceImageSource to support scenarios when the content is potentially larger than what can fit on screen and the content must be virtualized to render optimally.

public : sealed class VirtualSurfaceImageSource : SurfaceImageSource, IVirtualSurfaceImageSource
struct winrt::Windows::UI::Xaml::Media::Imaging::VirtualSurfaceImageSource : SurfaceImageSource, IVirtualSurfaceImageSource
public sealed class VirtualSurfaceImageSource : SurfaceImageSource, IVirtualSurfaceImageSource
Public NotInheritable Class VirtualSurfaceImageSource Inherits SurfaceImageSource Implements IVirtualSurfaceImageSource
Inheritance
VirtualSurfaceImageSourceVirtualSurfaceImageSourceVirtualSurfaceImageSourceVirtualSurfaceImageSource
Attributes
Windows 10 requirements
Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)

Remarks

This class has additional API, but those API are for Microsoft DirectX interoperation and are not part of the general app programming model otherwise described in this documentation. For example, from the Microsoft DirectX side, you can call BeginDraw. For more info on how to draw to a VirtualSurfaceImageSource, including sample code, see DirectX and XAML interop.

Constructors

VirtualSurfaceImageSource(Int32, Int32) VirtualSurfaceImageSource(Int32, Int32) VirtualSurfaceImageSource(Int32, Int32) VirtualSurfaceImageSource(Int32, Int32)

Initializes a new instance of the VirtualSurfaceImageSource class, specifying the size of the drawing area.

VirtualSurfaceImageSource(Int32, Int32, Boolean) VirtualSurfaceImageSource(Int32, Int32, Boolean) VirtualSurfaceImageSource(Int32, Int32, Boolean) VirtualSurfaceImageSource(Int32, Int32, Boolean)

Initializes a new instance of the VirtualSurfaceImageSource class, specifying the size of the drawing area and a preference for whether to render with an alpha transparency.

Methods

ClearValue(DependencyProperty) ClearValue(DependencyProperty) ClearValue(DependencyProperty) ClearValue(DependencyProperty)

Clears the local value of a dependency property.

(Inherited from DependencyObject)
GetAnimationBaseValue(DependencyProperty) GetAnimationBaseValue(DependencyProperty) GetAnimationBaseValue(DependencyProperty) GetAnimationBaseValue(DependencyProperty)

Returns any base value established for a dependency property, which would apply in cases where an animation is not active.

(Inherited from DependencyObject)
GetValue(DependencyProperty) GetValue(DependencyProperty) GetValue(DependencyProperty) GetValue(DependencyProperty)

Returns the current effective value of a dependency property from a DependencyObject.

(Inherited from DependencyObject)
ReadLocalValue(DependencyProperty) ReadLocalValue(DependencyProperty) ReadLocalValue(DependencyProperty) ReadLocalValue(DependencyProperty)

Returns the local value of a dependency property, if a local value is set.

(Inherited from DependencyObject)
RegisterPropertyChangedCallback(DependencyProperty,DependencyPropertyChangedCallback) RegisterPropertyChangedCallback(DependencyProperty,DependencyPropertyChangedCallback) RegisterPropertyChangedCallback(DependencyProperty,DependencyPropertyChangedCallback) RegisterPropertyChangedCallback(DependencyProperty,DependencyPropertyChangedCallback)

Registers a notification function for listening to changes to a specific DependencyProperty on this DependencyObject instance.

(Inherited from DependencyObject)
SetValue(DependencyProperty,Object) SetValue(DependencyProperty,Object) SetValue(DependencyProperty,Object) SetValue(DependencyProperty,Object)

Sets the local value of a dependency property on a DependencyObject.

(Inherited from DependencyObject)
UnregisterPropertyChangedCallback(DependencyProperty,Int64) UnregisterPropertyChangedCallback(DependencyProperty,Int64) UnregisterPropertyChangedCallback(DependencyProperty,Int64) UnregisterPropertyChangedCallback(DependencyProperty,Int64)

Cancels a change notification that was previously registered by calling RegisterPropertyChangedCallback.

(Inherited from DependencyObject)

Properties

Dispatcher Dispatcher Dispatcher Dispatcher

Gets the CoreDispatcher that this object is associated with. The CoreDispatcher represents a facility that can access the DependencyObject on the UI thread even if the code is initiated by a non-UI thread.

(Inherited from DependencyObject)

See Also