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    Class Picker<TItemType, TTitleType>

    A Picker UI element with a title and a list of items.

    Inheritance
    object
    CallbackEventHandler
    Focusable
    VisualElement
    BaseVisualElement
    ExVisualElement
    Picker
    Picker<TItemType, TTitleType>
    Dropdown
    Implements
    IEventHandler
    ITransform
    ITransitionAnimations
    IExperimentalFeatures
    IVisualElementScheduler
    IResolvedStyle
    IContextOverrideElement
    IInputElement<IEnumerable<int>>
    IValidatableElement<IEnumerable<int>>
    INotifyValueChanged<IEnumerable<int>>
    ISizeableElement
    IPressable
    Inherited Members
    Picker.ussClassName
    Picker.titleContainerUssClassName
    Picker.titleUssClassName
    Picker.trailingContainerUssClassName
    Picker.caretUssClassName
    Picker.sizeUssClassName
    Picker.emphasizedUssClassName
    Picker.appuiPickerMenu
    Picker.m_Items
    Picker.m_Value
    Picker.m_TitleContainer
    Picker.closeOnSelection
    Picker.clickable
    Picker.defaultMessage
    Picker.defaultValue
    Picker.sourceItems
    Picker.size
    Picker.emphasized
    Picker.selectionType
    Picker.selectedIndex
    Picker.invalid
    Picker.validateValue
    Picker.SetValueWithoutNotify(IEnumerable<int>)
    Picker.value
    Picker.Refresh()
    Picker.RefreshUI()
    Picker.RefreshListUI()
    Picker.GetSizeUssClassName(Size)
    ExVisualElement.contentContainer
    ExVisualElement.outlineColor
    ExVisualElement.backgroundColor
    ExVisualElement.passMask
    BaseVisualElement.contextPrefix
    BaseVisualElement.scaleOverride
    BaseVisualElement.themeOverride
    BaseVisualElement.langOverride
    BaseVisualElement.layoutDirectionOverride
    BaseVisualElement.preferredTooltipPlacementOverride
    BaseVisualElement.tooltipDelayMsOverride
    BaseVisualElement.GetLayoutDirectionUssClassName(Dir)
    VisualElement.disabledUssClassName
    VisualElement.ExecuteDefaultAction(EventBase)
    VisualElement.Focus()
    VisualElement.SendEvent(EventBase)
    VisualElement.SetEnabledFromHierarchy(bool)
    VisualElement.SetEnabled(bool)
    VisualElement.MarkDirtyRepaint()
    VisualElement.ContainsPoint(Vector2)
    VisualElement.Overlaps(Rect)
    VisualElement.DoMeasure(float, VisualElement.MeasureMode, float, VisualElement.MeasureMode)
    VisualElement.ToString()
    VisualElement.GetClasses()
    VisualElement.ClearClassList()
    VisualElement.AddToClassList(string)
    VisualElement.RemoveFromClassList(string)
    VisualElement.ToggleInClassList(string)
    VisualElement.EnableInClassList(string, bool)
    VisualElement.ClassListContains(string)
    VisualElement.FindAncestorUserData()
    VisualElement.Add(VisualElement)
    VisualElement.Insert(int, VisualElement)
    VisualElement.Remove(VisualElement)
    VisualElement.RemoveAt(int)
    VisualElement.Clear()
    VisualElement.ElementAt(int)
    VisualElement.IndexOf(VisualElement)
    VisualElement.Children()
    VisualElement.Sort(Comparison<VisualElement>)
    VisualElement.BringToFront()
    VisualElement.SendToBack()
    VisualElement.PlaceBehind(VisualElement)
    VisualElement.PlaceInFront(VisualElement)
    VisualElement.RemoveFromHierarchy()
    VisualElement.GetFirstOfType<T>()
    VisualElement.GetFirstAncestorOfType<T>()
    VisualElement.Contains(VisualElement)
    VisualElement.FindCommonAncestor(VisualElement)
    VisualElement.viewDataKey
    VisualElement.userData
    VisualElement.canGrabFocus
    VisualElement.focusController
    VisualElement.usageHints
    VisualElement.transform
    VisualElement.layout
    VisualElement.contentRect
    VisualElement.paddingRect
    VisualElement.worldBound
    VisualElement.localBound
    VisualElement.worldTransform
    VisualElement.pickingMode
    VisualElement.name
    VisualElement.enabledInHierarchy
    VisualElement.enabledSelf
    VisualElement.visible
    VisualElement.generateVisualContent
    VisualElement.experimental
    VisualElement.hierarchy
    VisualElement.cacheAsBitmap
    VisualElement.parent
    VisualElement.panel
    VisualElement.visualTreeAssetSource
    VisualElement.this[int]
    VisualElement.childCount
    VisualElement.schedule
    VisualElement.style
    VisualElement.customStyle
    VisualElement.styleSheets
    VisualElement.tooltip
    VisualElement.resolvedStyle
    Focusable.Blur()
    Focusable.focusable
    Focusable.tabIndex
    Focusable.delegatesFocus
    CallbackEventHandler.RegisterCallback<TEventType>(EventCallback<TEventType>, TrickleDown)
    CallbackEventHandler.RegisterCallback<TEventType, TUserArgsType>(EventCallback<TEventType, TUserArgsType>, TUserArgsType, TrickleDown)
    CallbackEventHandler.UnregisterCallback<TEventType>(EventCallback<TEventType>, TrickleDown)
    CallbackEventHandler.UnregisterCallback<TEventType, TUserArgsType>(EventCallback<TEventType, TUserArgsType>, TrickleDown)
    CallbackEventHandler.HandleEvent(EventBase)
    CallbackEventHandler.HasTrickleDownHandlers()
    CallbackEventHandler.HasBubbleUpHandlers()
    CallbackEventHandler.ExecuteDefaultActionAtTarget(EventBase)
    object.Equals(object)
    object.Equals(object, object)
    object.GetHashCode()
    object.GetType()
    object.MemberwiseClone()
    object.ReferenceEquals(object, object)
    Namespace: Unity.AppUI.UI
    Assembly: Unity.AppUI.dll
    Syntax
    public abstract class Picker<TItemType, TTitleType> : Picker, IEventHandler, ITransform, ITransitionAnimations, IExperimentalFeatures, IVisualElementScheduler, IResolvedStyle, IContextOverrideElement, IInputElement<IEnumerable<int>>, IValidatableElement<IEnumerable<int>>, INotifyValueChanged<IEnumerable<int>>, ISizeableElement, IPressable where TItemType : BaseVisualElement, new() where TTitleType : BaseVisualElement, new()
    Type Parameters
    Name Description
    TItemType

    The type of the items contained in the Picker.

    TTitleType

    The type of the title contained in the Picker.

    Constructors

    Picker(IList, Func<TItemType>, Func<TTitleType>, Action<TItemType, int>, Action<TTitleType, IEnumerable<int>>, Action<TItemType, int>, int[])

    Default constructor.

    Declaration
    public Picker(IList items, Func<TItemType> makeItemFunc = null, Func<TTitleType> makeTitleFunc = null, Action<TItemType, int> bindItemFunc = null, Action<TTitleType, IEnumerable<int>> bindTitleFunc = null, Action<TItemType, int> unbindItemFunc = null, int[] defaultIndices = null)
    Parameters
    Type Name Description
    IList items

    The items collection.

    Func<TItemType> makeItemFunc

    The function used to create a Picker item.

    Func<TTitleType> makeTitleFunc

    The function used to create a Picker title.

    Action<TItemType, int> bindItemFunc

    The function used to bind a Picker item.

    Action<TTitleType, IEnumerable<int>> bindTitleFunc

    The function used to bind a Picker title.

    Action<TItemType, int> unbindItemFunc

    The function used to unbind a Picker item.

    int[] defaultIndices

    The selected index by default.

    Properties

    bindItem

    The function used to bind a Picker item.

    Declaration
    public Action<TItemType, int> bindItem { get; set; }
    Property Value
    Type Description
    Action<TItemType, int>

    bindTitle

    The function used to bind a Picker title.

    Declaration
    public Action<TTitleType, IEnumerable<int>> bindTitle { get; set; }
    Property Value
    Type Description
    Action<TTitleType, IEnumerable<int>>

    makeItem

    The function used to create a Picker item.

    Declaration
    public Func<TItemType> makeItem { get; set; }
    Property Value
    Type Description
    Func<TItemType>

    makeTitle

    The function used to create a Picker title.

    Declaration
    public Func<TTitleType> makeTitle { get; set; }
    Property Value
    Type Description
    Func<TTitleType>

    unbindItem

    The function used to unbind a Picker item.

    Declaration
    public Action<TItemType, int> unbindItem { get; set; }
    Property Value
    Type Description
    Action<TItemType, int>

    Methods

    GetPickerItem(int)

    Get the Picker item at the given index.

    Declaration
    protected TItemType GetPickerItem(int index)
    Parameters
    Type Name Description
    int index

    The index of the item to get.

    Returns
    Type Description
    TItemType

    The Picker item at the given index.

    OnRequestItemCreation(int)

    Create a Picker item.

    Declaration
    protected override VisualElement OnRequestItemCreation(int i)
    Parameters
    Type Name Description
    int i

    The index of the item to create.

    Returns
    Type Description
    VisualElement

    The created item.

    Overrides
    Picker.OnRequestItemCreation(int)

    OnUnbindItem(VisualElement, int)

    Unbind a Picker item.

    Declaration
    protected override void OnUnbindItem(VisualElement item, int index)
    Parameters
    Type Name Description
    VisualElement item

    The item to unbind.

    int index

    The index of the item to unbind.

    Overrides
    Picker.OnUnbindItem(VisualElement, int)

    RefreshTitleUI()

    Refresh the Picker title UI.

    Declaration
    protected override void RefreshTitleUI()
    Overrides
    Picker.RefreshTitleUI()

    Implements

    IEventHandler
    ITransform
    ITransitionAnimations
    IExperimentalFeatures
    IVisualElementScheduler
    IResolvedStyle
    IContextOverrideElement
    IInputElement<TValueType>
    IValidatableElement<TValueType>
    INotifyValueChanged<T>
    ISizeableElement
    IPressable

    Extension Methods

    VisualElementExtensions.FindNavController(VisualElement)
    VisualElementExtensions.GetChildren<T>(VisualElement, bool)
    VisualElementExtensions.GetContextProvider<T>(VisualElement)
    VisualElementExtensions.GetContext<T>(VisualElement)
    VisualElementExtensions.GetPreferredTooltipPlacement(VisualElement)
    VisualElementExtensions.GetSelfContext<T>(VisualElement)
    VisualElementExtensions.GetTooltipTemplate(VisualElement)
    VisualElementExtensions.IsContextProvider<T>(VisualElement)
    VisualElementExtensions.ProvideContext<T>(VisualElement, T)
    VisualElementExtensions.RegisterContextChangedCallback<T>(VisualElement, EventCallback<ContextChangedEvent<T>>)
    VisualElementExtensions.SetPreferredTooltipPlacement(VisualElement, OptionalEnum<PopoverPlacement>)
    VisualElementExtensions.SetTooltipTemplate(VisualElement, VisualElement)
    VisualElementExtensions.UnregisterContextChangedCallback<T>(VisualElement, EventCallback<ContextChangedEvent<T>>)
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