Class SfDropDownList<TValue, TItem>

The DropDownList component contains a list of predefined values from which a single value can be chosen.

Inheritance
System.Object
Syncfusion.Blazor.SfBaseComponent
SfDataBoundComponent
SfDropDownBase<TItem>
SfDropDownList<TValue, TItem>
SfComboBox<TValue, TItem>
Implements
Inherited Members
Namespace: Syncfusion.Blazor.DropDowns
Assembly: Syncfusion.Blazor.dll
Syntax
public class SfDropDownList<TValue, TItem> : SfDropDownBase<TItem>, IInputBase, IDropDowns
Type Parameters
Name Description
TValue
TItem

Constructors

SfDropDownList()

Declaration
public SfDropDownList()

Fields

ARIA_ACTIVE_DESCENDANT

Declaration
protected const string ARIA_ACTIVE_DESCENDANT = "aria-activedescendant"
Field Value
Type Description
System.String

ARIA_EXPANDED

Declaration
protected const string ARIA_EXPANDED = "aria-expanded"
Field Value
Type Description
System.String

ARIA_HAS_POPUP

Declaration
protected const string ARIA_HAS_POPUP = "aria-haspopup"
Field Value
Type Description
System.String

ARIA_LIVE

Declaration
protected const string ARIA_LIVE = "aria-live"
Field Value
Type Description
System.String

ARIA_OWN

Declaration
protected const string ARIA_OWN = "aria-owns"
Field Value
Type Description
System.String

ASSERTIVE

Declaration
protected const string ASSERTIVE = "assertive"
Field Value
Type Description
System.String

AUTO_CAPITAL

Declaration
protected const string AUTO_CAPITAL = "autocapitalize"
Field Value
Type Description
System.String

AUTO_COMPLETE

Declaration
protected const string AUTO_COMPLETE = "autocomplete"
Field Value
Type Description
System.String

AUTO_CORRECT

Declaration
protected const string AUTO_CORRECT = "autocorrect"
Field Value
Type Description
System.String
Declaration
protected const string DDL_FOOTER = "e-ddl-footer"
Field Value
Type Description
System.String

DDL_HEADER

Declaration
protected const string DDL_HEADER = "e-ddl-header"
Field Value
Type Description
System.String

DROP_DOWN_ICON

Declaration
protected const string DROP_DOWN_ICON = "e-ddl-icon e-icons"
Field Value
Type Description
System.String

FALSE

Declaration
protected const string FALSE = "false"
Field Value
Type Description
System.String

GROUP_BY

Declaration
protected const string GROUP_BY = "e-dd-group"
Field Value
Type Description
System.String

ITEM_FOCUS

Declaration
protected const string ITEM_FOCUS = "e-item-focus"
Field Value
Type Description
System.String

LIST_BOX

Declaration
protected const string LIST_BOX = "listbox"
Field Value
Type Description
System.String

NO_DATA

Declaration
protected const string NO_DATA = "e-content e-dropdownbase e-nodata"
Field Value
Type Description
System.String

NULL_VALUE

Declaration
protected const string NULL_VALUE = "null"
Field Value
Type Description
System.String

OFF

Declaration
protected const string OFF = "off"
Field Value
Type Description
System.String

OPTIONS

Declaration
protected const string OPTIONS = "_options"
Field Value
Type Description
System.String

POPUP_CONTENT

Declaration
protected const string POPUP_CONTENT = "e-content e-dropdownbase"
Field Value
Type Description
System.String

ROLE

Declaration
protected const string ROLE = "role"
Field Value
Type Description
System.String

SELECTED

Declaration
protected const string SELECTED = "e-active"
Field Value
Type Description
System.String

SPELL_CHECK

Declaration
protected const string SPELL_CHECK = "spellcheck"
Field Value
Type Description
System.String

TRUE

Declaration
protected const string TRUE = "true"
Field Value
Type Description
System.String

Properties

ActiveIndex

Declaration
protected Nullable<int> ActiveIndex { get; set; }
Property Value
Type Description
System.Nullable<System.Int32>

AllowFiltering

When AllowFiltering is set to true, show the filter bar (search box) of the component.

The filter action retrieves matched items through the `Filtering` event based on the characters typed in the search TextBox.

Declaration
public bool AllowFiltering { get; set; }
Property Value
Type Description
System.Boolean

BeforePopupOpen

Declaration
protected bool BeforePopupOpen { get; set; }
Property Value
Type Description
System.Boolean

ClearBtnStopPropagation

Declaration
protected bool ClearBtnStopPropagation { get; set; }
Property Value
Type Description
System.Boolean

ComponentName

Declaration
protected override string ComponentName { get; set; }
Property Value
Type Description
System.String
Overrides
Syncfusion.Blazor.DropDowns.SfDropDownBase<TItem>.ComponentName

ContainerAttr

Declaration
protected Dictionary<string, object> ContainerAttr { get; set; }
Property Value
Type Description
System.Collections.Generic.Dictionary<System.String, System.Object>

ContainerClass

Declaration
protected string ContainerClass { get; set; }
Property Value
Type Description
System.String

CssClass

Specifies the CSS class name that can be appended with the root element of the DropDownList. One or more custom CSS classes can be added to a DropDownList.

Declaration
public string CssClass { get; set; }
Property Value
Type Description
System.String

DropdownIcon

Declaration
protected List<string> DropdownIcon { get; set; }
Property Value
Type Description
System.Collections.Generic.List<System.String>

DropDownListParent

Declaration
protected dynamic DropDownListParent { get; set; }
Property Value
Type Description
System.Object

DropdownValue

Declaration
protected string DropdownValue { get; set; }
Property Value
Type Description
System.String

EnableRtl

Enable or disable rendering component in right to left direction.

Declaration
public bool EnableRtl { get; set; }
Property Value
Type Description
System.Boolean

EnableVirtualization

The Virtual Scrolling feature is used to display a large amount of data that you require without buffering the entire load of a huge database records in the DropDowns, that is, when scrolling, the datamanager request is sent to fetch some amount of data from the server dynamically. To achieve this scenario with DropDowns, set the EnableVirtualization to true.

Declaration
public bool EnableVirtualization { get; set; }
Property Value
Type Description
System.Boolean

FilterBarPlaceholder

Accepts the value to be displayed as a watermark text on the filter bar.

Declaration
public string FilterBarPlaceholder { get; set; }
Property Value
Type Description
System.String

FilterinputObj

Declaration
protected SfInputBase FilterinputObj { get; set; }
Property Value
Type Description
Syncfusion.Blazor.Inputs.Internal.SfInputBase

FloatLabelType

Specifies the floating label behavior of the DropDownList that the placeholder text floats above the DropDownList based on the following values.

Possible values are:

  • NeverNever floats the label in the DropDownList when the placeholder is available.
  • AlwaysThe floating label always floats above the DropDownList.
  • AutoThe floating label floats above the DropDownList after focusing it or when enters the value in it.
Declaration
public FloatLabelType FloatLabelType { get; set; }
Property Value
Type Description
FloatLabelType

FocusedData

Declaration
protected ListOptions<TItem> FocusedData { get; set; }
Property Value
Type Description
ListOptions<TItem>

FooterTemplate

Accepts the template design and assigns it to the footer container of the popup list.

Declaration
public RenderFragment FooterTemplate { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.RenderFragment

HeaderTemplate

Accepts the template design and assigns it to the header container of the popup list.

Declaration
public RenderFragment HeaderTemplate { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.RenderFragment

HtmlAttributes

Declaration
public Dictionary<string, object> HtmlAttributes { get; set; }
Property Value
Type Description
System.Collections.Generic.Dictionary<System.String, System.Object>

ID

Specifies the id of the DropDownList component.

Declaration
public string ID { get; set; }
Property Value
Type Description
System.String

Index

Gets or sets the index of the selected item in the component.

Declaration
public Nullable<int> Index { get; set; }
Property Value
Type Description
System.Nullable<System.Int32>

IndexChanged

Specifies the callback to trigger when the index changes.

Declaration
public EventCallback<Nullable<int>> IndexChanged { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<System.Nullable<System.Int32>>

InputAttributes

You can add the additional input attributes such as disabled, value, and more to the root element.

If you configured both the property and equivalent input attribute, then the component considers the property value.

Declaration
public Dictionary<string, object> InputAttributes { get; set; }
Property Value
Type Description
System.Collections.Generic.Dictionary<System.String, System.Object>

InputBaseObj

Declaration
protected SfInputBase InputBaseObj { get; set; }
Property Value
Type Description
Syncfusion.Blazor.Inputs.Internal.SfInputBase

IsCustomFilter

Declaration
protected bool IsCustomFilter { get; set; }
Property Value
Type Description
System.Boolean

isDevice

Declaration
protected bool isDevice { get; set; }
Property Value
Type Description
System.Boolean

IsDropDownClick

Declaration
protected bool IsDropDownClick { get; set; }
Property Value
Type Description
System.Boolean

isFilterClearClicked

Declaration
protected bool isFilterClearClicked { get; set; }
Property Value
Type Description
System.Boolean

IsListRender

Declaration
protected bool IsListRender { get; set; }
Property Value
Type Description
System.Boolean

IsTyped

Declaration
protected bool IsTyped { get; set; }
Property Value
Type Description
System.Boolean

IsValidKey

Declaration
protected bool IsValidKey { get; set; }
Property Value
Type Description
System.Boolean

ItemsCount

The data can be fetched in popup based on ItemsCount, when enabled the EnableVirtualization.

Declaration
public int ItemsCount { get; set; }
Property Value
Type Description
System.Int32

NoDataContent

Declaration
protected string NoDataContent { get; set; }
Property Value
Type Description
System.String

Placeholder

Specifies the text that is shown as a hint or placeholder until the user focuses or enter a value in DropDownList. The property is depending on the FloatLabelType property.

Declaration
public string Placeholder { get; set; }
Property Value
Type Description
System.String

PopupContainer

Declaration
protected string PopupContainer { get; set; }
Property Value
Type Description
System.String

PopupContent

Declaration
protected string PopupContent { get; set; }
Property Value
Type Description
System.String

PopupElement

Declaration
protected ElementReference PopupElement { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.ElementReference

PopupHeight

Specifies the height of the popup list.

Declaration
public string PopupHeight { get; set; }
Property Value
Type Description
System.String

PopupHolderEle

Declaration
protected ElementReference PopupHolderEle { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.ElementReference

PopupWidth

Specifies the width of the popup list. By default, the popup width sets based on the width of the component.

Declaration
public string PopupWidth { get; set; }
Property Value
Type Description
System.String

PreventAutoFill

Declaration
protected bool PreventAutoFill { get; set; }
Property Value
Type Description
System.Boolean

PreventContainer

Declaration
protected bool PreventContainer { get; set; }
Property Value
Type Description
System.Boolean

PreventIconHandler

Declaration
protected bool PreventIconHandler { get; set; }
Property Value
Type Description
System.Boolean

PreviousItemData

Declaration
protected TItem PreviousItemData { get; set; }
Property Value
Type Description
TItem

PreviousValue

Declaration
protected TValue PreviousValue { get; set; }
Property Value
Type Description
TValue

Readonly

Specifies the boolean value whether the DropDownList allows the user to change the value.

Declaration
public bool Readonly { get; set; }
Property Value
Type Description
System.Boolean

ROOT

Declaration
protected virtual string ROOT { get; set; }
Property Value
Type Description
System.String

RootClass

Declaration
protected string RootClass { get; set; }
Property Value
Type Description
System.String

ShowClearButton

Specifies whether to show or hide the clear button.

When the clear button is clicked, `Value`, `Text`, and `Index` properties are reset to null.

Declaration
public virtual bool ShowClearButton { get; set; }
Property Value
Type Description
System.Boolean

ShowPopupList

Declaration
protected bool ShowPopupList { get; set; }
Property Value
Type Description
System.Boolean

TabIndex

Specifies the tab order of the DatePicker component.

Declaration
public int TabIndex { get; set; }
Property Value
Type Description
System.Int32

Text

Gets or sets the display text of the selected item in the component.

Declaration
public string Text { get; set; }
Property Value
Type Description
System.String

TypedString

Declaration
protected string TypedString { get; set; }
Property Value
Type Description
System.String

Value

Gets or sets the value of the selected item in the component.

Declaration
public TValue Value { get; set; }
Property Value
Type Description
TValue

ValueChanged

Specifies the callback to trigger when the value changes.

Declaration
public EventCallback<TValue> ValueChanged { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<TValue>

ValueExpression

Specifies the expression for defining the value of the bound.

Declaration
public Expression<Func<TValue>> ValueExpression { get; set; }
Property Value
Type Description
System.Linq.Expressions.Expression<System.Func<TValue>>

ValueTemplate

Accepts the template design and assigns it to the selected list item in the input element of the component.

Declaration
public RenderFragment<TItem> ValueTemplate { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.RenderFragment<TItem>

VirtualSpinnerObj

Declaration
protected SfSpinner VirtualSpinnerObj { get; set; }
Property Value
Type Description
Syncfusion.Blazor.Spinner.SfSpinner

Width

Specifies the width of the component. By default, the component width sets based on the width of its parent container.

You can also set the width in pixel values.

Declaration
public string Width { get; set; }
Property Value
Type Description
System.String

Methods

ActionBegin(IEnumerable<TItem>, Query)

Declaration
protected override Task<ActionBeginEventArgs> ActionBegin(IEnumerable<TItem> dataSource, Query query = null)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<TItem> dataSource
Query query
Returns
Type Description
System.Threading.Tasks.Task<ActionBeginEventArgs>
Overrides
Syncfusion.Blazor.DropDowns.SfDropDownBase<TItem>.ActionBegin(System.Collections.Generic.IEnumerable<TItem>, Syncfusion.Blazor.Data.Query)

ActionComplete(IEnumerable<TItem>, Query)

Declaration
protected override Task ActionComplete(IEnumerable<TItem> dataSource, Query query = null)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<TItem> dataSource
Query query
Returns
Type Description
System.Threading.Tasks.Task
Overrides
Syncfusion.Blazor.DropDowns.SfDropDownBase<TItem>.ActionComplete(System.Collections.Generic.IEnumerable<TItem>, Syncfusion.Blazor.Data.Query)

ActionFailure(Object)

Declaration
protected override Task ActionFailure(object args)
Parameters
Type Name Description
System.Object args
Returns
Type Description
System.Threading.Tasks.Task
Overrides
Syncfusion.Blazor.DropDowns.SfDropDownBase<TItem>.ActionFailure(System.Object)

BuildRenderTree(RenderTreeBuilder)

Declaration
protected override void BuildRenderTree(RenderTreeBuilder __builder)
Parameters
Type Name Description
Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder

Clear()

Allows you to clear the selected values from the component.

Declaration
public Task Clear()
Returns
Type Description
System.Threading.Tasks.Task

ClearAll(EventArgs)

Declaration
protected virtual Task ClearAll(EventArgs args = null)
Parameters
Type Name Description
System.EventArgs args
Returns
Type Description
System.Threading.Tasks.Task

CustomValue()

Declaration
protected virtual Task CustomValue()
Returns
Type Description
System.Threading.Tasks.Task

DependencyScripts()

Declaration
protected void DependencyScripts()

DropDownClick()

Declaration
protected Task DropDownClick()
Returns
Type Description
System.Threading.Tasks.Task

Filter(IEnumerable<TItem>, Query, FieldSettingsModel)

To filter the data from given data source by using query

Declaration
public Task Filter(IEnumerable<TItem> dataSource, Query query = null, FieldSettingsModel fields = null)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<TItem> dataSource
Query query
FieldSettingsModel fields
Returns
Type Description
System.Threading.Tasks.Task

FilterClear()

Declaration
protected Task FilterClear()
Returns
Type Description
System.Threading.Tasks.Task

FilteringAction(IEnumerable<TItem>, Query, FieldSettingsModel)

Declaration
protected Task FilteringAction(IEnumerable<TItem> dataSource, Query query, FieldSettingsModel fields)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<TItem> dataSource
Query query
FieldSettingsModel fields
Returns
Type Description
System.Threading.Tasks.Task

FilterInputHandler(ChangeEventArgs)

Declaration
protected virtual Task FilterInputHandler(ChangeEventArgs args)
Parameters
Type Name Description
Microsoft.AspNetCore.Components.ChangeEventArgs args
Returns
Type Description
System.Threading.Tasks.Task

FocusIn()

Sets the focus to the DropDownList component for interaction.

Declaration
public Task FocusIn()
Returns
Type Description
System.Threading.Tasks.Task

FocusOut()

Remove the focus from the DropDownList component, if the component is in focus state.

Declaration
public Task FocusOut()
Returns
Type Description
System.Threading.Tasks.Task

FocusOutHandler(FocusEventArgs, Boolean)

Declaration
protected Task FocusOutHandler(FocusEventArgs args, bool isFilterinput = false)
Parameters
Type Name Description
Microsoft.AspNetCore.Components.Web.FocusEventArgs args
System.Boolean isFilterinput
Returns
Type Description
System.Threading.Tasks.Task

GetDataByValue(TValue)

Gets the data Object that matches the given value.

Declaration
public TItem GetDataByValue(TValue ddlValue)
Parameters
Type Name Description
TValue ddlValue
Returns
Type Description
TItem

GetItemData(TItem)

Declaration
protected DataItems<TValue> GetItemData(TItem item = null)
Parameters
Type Name Description
TItem item
Returns
Type Description
DataItems<TValue>

GetItems()

Gets all the list items bound on this component.

Declaration
public IEnumerable<TItem> GetItems()
Returns
Type Description
System.Collections.Generic.IEnumerable<TItem>

GetQuery(Query)

Declaration
protected override Query GetQuery(Query query)
Parameters
Type Name Description
Query query
Returns
Type Description
Query
Overrides
Syncfusion.Blazor.DropDowns.SfDropDownBase<TItem>.GetQuery(Syncfusion.Blazor.Data.Query)

GetScrollValue()

Declaration
protected Task GetScrollValue()
Returns
Type Description
System.Threading.Tasks.Task

InvokeAfterClosed()

Declaration
protected virtual Task<ClosedEventArgs> InvokeAfterClosed()
Returns
Type Description
System.Threading.Tasks.Task<ClosedEventArgs>

InvokeBeforeOpen()

Declaration
protected virtual Task<BeforeOpenEventArgs> InvokeBeforeOpen()
Returns
Type Description
System.Threading.Tasks.Task<BeforeOpenEventArgs>

InvokeChangeEvent(EventArgs)

Declaration
protected virtual Task InvokeChangeEvent(EventArgs args = null)
Parameters
Type Name Description
System.EventArgs args
Returns
Type Description
System.Threading.Tasks.Task

InvokeClearBtnEvent(EventArgs, Boolean)

Declaration
protected Task InvokeClearBtnEvent(EventArgs args, bool isFilterClear = false)
Parameters
Type Name Description
System.EventArgs args
System.Boolean isFilterClear
Returns
Type Description
System.Threading.Tasks.Task

InvokePopupEvents(Boolean)

Declaration
protected virtual Task<PopupEventArgs> InvokePopupEvents(bool isOpen)
Parameters
Type Name Description
System.Boolean isOpen
Returns
Type Description
System.Threading.Tasks.Task<PopupEventArgs>

InvokeSelectEvent(TItem, EventArgs)

Declaration
protected virtual Task<SelectEventArgs<TItem>> InvokeSelectEvent(TItem item, EventArgs args = null)
Parameters
Type Name Description
TItem item
System.EventArgs args
Returns
Type Description
System.Threading.Tasks.Task<SelectEventArgs<TItem>>

isEditTextBox()

Declaration
protected virtual bool isEditTextBox()
Returns
Type Description
System.Boolean

IsFilter()

Declaration
protected override bool IsFilter()
Returns
Type Description
System.Boolean
Overrides
Syncfusion.Blazor.DropDowns.SfDropDownBase<TItem>.IsFilter()

OnAfterRenderAsync(Boolean)

Declaration
protected override Task OnAfterRenderAsync(bool firstRender)
Parameters
Type Name Description
System.Boolean firstRender
Returns
Type Description
System.Threading.Tasks.Task
Overrides

OnFilterUp(KeyboardEventArgs)

Declaration
protected Task OnFilterUp(KeyboardEventArgs args)
Parameters
Type Name Description
Microsoft.AspNetCore.Components.Web.KeyboardEventArgs args
Returns
Type Description
System.Threading.Tasks.Task

OnInitializedAsync()

Declaration
protected override Task OnInitializedAsync()
Returns
Type Description
System.Threading.Tasks.Task
Overrides
Syncfusion.Blazor.DropDowns.SfDropDownBase<TItem>.OnInitializedAsync()

OnMouseClick(ListOptions<TItem>, MouseEventArgs)

Declaration
protected Task OnMouseClick(ListOptions<TItem> args, MouseEventArgs eventArgs)
Parameters
Type Name Description
ListOptions<TItem> args
Microsoft.AspNetCore.Components.Web.MouseEventArgs eventArgs
Returns
Type Description
System.Threading.Tasks.Task

OnParametersSetAsync()

Declaration
protected override Task OnParametersSetAsync()
Returns
Type Description
System.Threading.Tasks.Task
Overrides
Syncfusion.Blazor.DropDowns.SfDropDownBase<TItem>.OnParametersSetAsync()

OnSearch(KeyboardEventArgs)

Declaration
protected Task OnSearch(KeyboardEventArgs args)
Parameters
Type Name Description
Microsoft.AspNetCore.Components.Web.KeyboardEventArgs args
Returns
Type Description
System.Threading.Tasks.Task

OpenEventArgs()

Declaration
protected PopupEventArgs OpenEventArgs()
Returns
Type Description
PopupEventArgs

PasteHandler()

Declaration
protected Task PasteHandler()
Returns
Type Description
System.Threading.Tasks.Task

PreRender()

Declaration
protected void PreRender()

RefreshPopup()

Declaration
protected Task RefreshPopup()
Returns
Type Description
System.Threading.Tasks.Task

SearchList(KeyboardEventArgs)

Declaration
protected virtual Task SearchList(KeyboardEventArgs args = null)
Parameters
Type Name Description
Microsoft.AspNetCore.Components.Web.KeyboardEventArgs args
Returns
Type Description
System.Threading.Tasks.Task

SetCssClass()

Declaration
protected void SetCssClass()

SetOldValue(Object)

Declaration
protected virtual Task SetOldValue(object ddlValue)
Parameters
Type Name Description
System.Object ddlValue
Returns
Type Description
System.Threading.Tasks.Task

SetRTL()

Declaration
protected void SetRTL()

SetValue(DataItems<TValue>)

Declaration
protected Task SetValue(DataItems<TValue> items = null)
Parameters
Type Name Description
DataItems<TValue> items
Returns
Type Description
System.Threading.Tasks.Task

ShowPopup()

Opens the popup that displays the list of items.

Declaration
public Task ShowPopup()
Returns
Type Description
System.Threading.Tasks.Task

ShowSpinner()

Shows the spinner loader.

Declaration
public Task ShowSpinner()
Returns
Type Description
System.Threading.Tasks.Task

UpdateAriaAttributes()

Declaration
protected virtual void UpdateAriaAttributes()

UpdateAutoFillOnDown(TItem)

Declaration
protected virtual Task UpdateAutoFillOnDown(TItem curItem)
Parameters
Type Name Description
TItem curItem
Returns
Type Description
System.Threading.Tasks.Task

UpdateFocusItem(TItem)

Declaration
protected virtual Task UpdateFocusItem(TItem focusItem = null)
Parameters
Type Name Description
TItem focusItem
Returns
Type Description
System.Threading.Tasks.Task

UpdateListSelection(TItem, String)

Declaration
protected Task UpdateListSelection(TItem item, string className)
Parameters
Type Name Description
TItem item
System.String className
Returns
Type Description
System.Threading.Tasks.Task

UpdateMainData()

Declaration
protected virtual void UpdateMainData()

UpdatePopupState()

Declaration
protected void UpdatePopupState()

UpdateSelectedItem(TItem, EventArgs, KeyActions)

Declaration
protected Task UpdateSelectedItem(TItem item, EventArgs args = null, KeyActions keyArgs = null)
Parameters
Type Name Description
TItem item
System.EventArgs args
KeyActions keyArgs
Returns
Type Description
System.Threading.Tasks.Task

UpdateSelectItem(TItem, EventArgs, KeyActions)

Declaration
protected Task UpdateSelectItem(TItem item, EventArgs args = null, KeyActions keyArgs = null)
Parameters
Type Name Description
TItem item
System.EventArgs args
KeyActions keyArgs
Returns
Type Description
System.Threading.Tasks.Task

UpdateValue()

Declaration
protected virtual Task UpdateValue()
Returns
Type Description
System.Threading.Tasks.Task

UpdateValueSelection(TItem, Boolean)

Declaration
protected Task UpdateValueSelection(TItem item, bool isMutable = false)
Parameters
Type Name Description
TItem item
System.Boolean isMutable
Returns
Type Description
System.Threading.Tasks.Task

Implements