VisualTreeHelper Class

AcquireLicenseCompletedEventArgs Class

AlignmentX Enumeration

AlignmentY Enumeration

ArcSegment Class

AudioCaptureDevice Class

AudioCaptureDeviceCollection Class

AudioFormat Class

AudioSink Class

BezierSegment Class

BitmapCache Class

Brush Class

BrushMappingMode Enumeration

CacheMode Class

CaptureDevice Class

CaptureDeviceConfiguration Class

CaptureImageCompletedEventArgs Class

CaptureSource Class

CaptureState Enumeration

Color Structure

ColorInterpolationMode Enumeration

Colors Class

CompositeTransform Class

CompositionTarget Class

ContentKeyType Enumeration

DeepZoomImageTileSource Class

DomainAcquirer Class

DomainOperationCompletedEventArgs Class

DoubleCollection Class

DrmDomainRequiredException Class

DrmSetupDecryptorCompletedEventArgs Class

EllipseGeometry Class

FileSink Class

FillRule Enumeration

FontFamily Class

Fonts Class

GeneralTransform Class

Geometry Class

GeometryCollection Class

GeometryGroup Class

GlyphTypeface Class

GradientBrush Class

GradientSpreadMethod Enumeration

GradientStop Class

GradientStopCollection Class

ImageBrush Class

ImageSource Class

ImageSourceConverter Class

ImplicitInputBrush Class

JoinDomainCompletedEventArgs Class

LeaveDomainCompletedEventArgs Class

LicenseAcquirer Class

LinearGradientBrush Class

LineGeometry Class

LineSegment Class

LogReadyRoutedEventArgs Class

LogReadyRoutedEventHandler Delegate

LogSource Enumeration

Matrix Structure

Matrix3DProjection Class

MatrixTransform Class

MediaElementState Enumeration

MediaSampleAttributeKeys Enumeration

MediaSourceAttributesKeys Enumeration

MediaStreamAttributeKeys Enumeration

MediaStreamDescription Class

MediaStreamSample Class

MediaStreamSource Class

MediaStreamSourceDiagnosticKind Enumeration

MediaStreamType Enumeration

MultiScaleTileSource Class

PathFigure Class

PathFigureCollection Class

PathGeometry Class

PathSegment Class

PathSegmentCollection Class

PenLineCap Enumeration

PenLineJoin Enumeration

PixelFormatType Enumeration

PlaneProjection Class

PointCollection Class

PolyBezierSegment Class

PolyLineSegment Class

PolyQuadraticBezierSegment Class

Projection Class

QuadraticBezierSegment Class

RadialGradientBrush Class

RectangleGeometry Class

RenderingEventArgs Class

RotateTransform Class

SampleAllocationMode Enumeration

ScaleTransform Class

SkewTransform Class

SolidColorBrush Class

Stretch Enumeration

StyleSimulations Enumeration

SweepDirection Enumeration

TextHintingMode Enumeration

TextOptions Class

TileBrush Class

TimelineMarker Class

TimelineMarkerCollection Class

TimelineMarkerRoutedEventArgs Class

TimelineMarkerRoutedEventHandler Delegate

Transform Class

TransformCollection Class

TransformGroup Class

TranslateTransform Class

Typeface Class

VideoBrush Class

VideoCaptureDevice Class

VideoCaptureDeviceCollection Class

VideoFormat Class

VideoSink Class

VisualTreeHelper Class

VisualTreeHelper Methods

WaveFormatType Enumeration

VisualTreeHelper Class

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Provides utility methods that can used to traverse object relationships (along child object or parent object axes) in the Windows Phone visual tree.

Inheritance Hierarchy

System::Object
System.Windows.Media::VisualTreeHelper

Namespace: System.Windows.Media
Assembly: System.Windows (in System.Windows.dll)

Syntax

No code example is currently available or this language may not be supported.

The VisualTreeHelper type exposes the following members.

Methods

	Name	Description
	FindElementsInHostCoordinates(Point, UIElement)	Retrieves a set of objects that are located within a specified point of an object's coordinate space.
	FindElementsInHostCoordinates(Rect, UIElement)	Retrieves a set of objects that are located within a specified Rect of an object's coordinate space.
	GetChild	Using the provided index, obtains a specific child object of the provided object by examining the visual tree.
	GetChildrenCount	Returns the number of children that exists in an object's child collection in the visual tree.
	GetOpenPopups	Gets all open Popup controls.
	GetParent	Returns an object's parent object in the visual tree.

Remarks

Windows Phone does not expose a Visual class as an extension point, but still provides this helper class so that you can examine the visual tree structure.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

System.Windows.Media Namespace

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