ShadowChrome Class

public class ShadowChrome : FrameworkElement

public ShadowChrome()

public UIElement? Child { get; set; }

Property Value

UIElement

public double Direction { get; set; }

Property Value

double:

The direction of the shadow, in degrees. The default value is 270, meaning down.

public int Elevation { get; set; }

Property Value

int:

The elevation of the shadow, a value from 0 to 24. The default value is 0.

Remarks

Higher elevations render larger shadows. 0 doesn't render a shadow.

public bool IsShadowEnabled { get; set; }

Property Value

bool:

true if the shadow can be rendered by the chrome; otherwise, false. The default value is true.

Remarks

Set this property to false to prevent the shadow from rendering.

protected override IEnumerator LogicalChildren { get; }

Property Value

IEnumerator

public ShadowChromeRenderMode RenderMode { get; set; }

Property Value

ShadowChromeRenderMode:

A ShadowChromeRenderMode indicating the mode to use for rendering the shadow. The default value is Default, which uses pure WPF rendering and is intended for a rectangular child's shadow.

Remarks

Shader effects are slower and more resource intensive, but should be used when rendering a shadow for a non-rectangular child.

public double ShadowOpacity { get; set; }

Property Value

double:

The opacity of the shadow, a value from 0 to 1. The default value is 0.3.

public Thickness ShadowThickness { get; }

Property Value

Thickness

Remarks

When used as a Popup shadow, the popup may wish to increase its size by this amount to ensure the shadow can render.

protected override int VisualChildrenCount { get; }

Property Value

int:

The number of visual child elements for this element.

protected override Size ArrangeOverride(Size finalSize)

Parameter	Type	Description
finalSize	Size	The final area within the parent that this element should use to arrange itself and its children.

Returns

Size:

The actual size used.

public static Thickness GetShadowThickness(double direction, int elevation)

Parameter	Type	Description
direction	double	The shadow direction.
elevation	int	The shadow elevation.

Returns

Thickness

protected override Visual GetVisualChild(int index)

Parameter	Type	Description
index	int	The zero-based index of the requested child element in the collection.

Returns

Visual:

The requested child element. This should not return null; if the provided index is out of range, an exception is thrown.

protected override HitTestResult? HitTestCore(PointHitTestParameters hitTestParameters)

Parameter	Type	Description
hitTestParameters	PointHitTestParameters	Describes the hit test to perform, including the initial hit point.

Returns

HitTestResult:

Results of the test, including the evaluated point.

protected override Size MeasureOverride(Size availableSize)

Parameter	Type	Description
availableSize	Size	The available size that this element can give to child elements. Infinity can be specified as a value to indicate that the element will size to whatever content is available.

Returns

Size:

The size that this element determines it needs during layout, based on its calculations of child element sizes.

protected override void OnRender(DrawingContext drawingContext)

Parameter	Type	Description
drawingContext	DrawingContext	The drawing instructions for a specific element. This context is provided to the layout system.

public const double DirectionDown = 270

public const double DirectionDownRight = 315

public static readonly DependencyProperty DirectionProperty

public static readonly DependencyProperty ElevationProperty

public static readonly DependencyProperty IsShadowEnabledProperty

public static readonly DependencyProperty RenderModeProperty

public static readonly DependencyProperty ShadowOpacityProperty

public static readonly DependencyProperty ShadowThicknessProperty