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ILayoutElement

interface in UnityEngine.UI

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Descripción

A component is treated as a layout element by the auto layout system if it implements ILayoutElement.

The layout system will invoke CalculateLayoutInputHorizontal before querying minWidth, preferredWidth, and flexibleWidth. It can potentially save performance if these properties are cached when CalculateLayoutInputHorizontal is invoked, so they don't need to be recalculated every time the properties are queried.

The layout system will invoke CalculateLayoutInputVertical before querying minHeight, preferredHeight, and flexibleHeight. It can potentially save performance if these properties are cached when CalculateLayoutInputVertical is invoked, so they don't need to be recalculated every time the properties are queried.

The minWidth, preferredWidth, and flexibleWidth properties should not rely on any properties of the RectTransform of the layout element, otherwise the behavior will be non-deterministic. The minHeight, preferredHeight, and flexibleHeight properties may rely on horizontal aspects of the RectTransform, such as the width or the X component of the position. Any properties of the RectTransforms on child layout elements may always be relied on.

See Also: Auto Layout.

Variables

flexibleHeightThe extra relative height this layout element should be allocated if there is additional available space.
flexibleWidthThe extra relative width this layout element should be allocated if there is additional available space.
layoutPriorityThe layout priority of this component.
minHeightThe minimum height this layout element may be allocated.
minWidthThe minimum width this layout element may be allocated.
preferredHeightThe preferred height this layout element should be allocated if there is sufficient space.
preferredWidthThe preferred width this layout element should be allocated if there is sufficient space.

Funciones Públicas

CalculateLayoutInputHorizontalThe minWidth, preferredWidth, and flexibleWidth values may be calculated in this callback.
CalculateLayoutInputVerticalThe minHeight, preferredHeight, and flexibleHeight values may be calculated in this callback.