React ContextMenu Events

Information about the event.

Object structure:

Name

Type

Description

component

The widget's instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only when using Knockout.

Main article: onContentReady.

disposing

Raised before the widget is disposed of.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ContextMenu	The widget instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.

Name

Type

Description

component

The widget instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only if you use Knockout.

Main article: onDisposing

hidden

Raised after the ContextMenu is hidden.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The widget's instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only if you use Knockout.

Main article: onHidden

hiding

Raised before the ContextMenu is hidden.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ContextMenu	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
cancel	Boolean	Allows you to cancel widget hiding.

Main article: onHiding

initialized

Raised only once, after the widget is initialized.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The widget's instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

Main article: onInitialized

itemClick

Raised when a collection item is clicked or tapped.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ContextMenu	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
itemData	Object	The clicked item's data.
itemElement	HTMLElement \| jQuery	The item's container. It is an HTML Element or a jQuery Element when you use jQuery.
itemIndex	Number	The clicked item's index.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
event	Event (jQuery or EventObject)	The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onItemClick.

itemContextMenu

Raised when a collection item is right-clicked or pressed.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ContextMenu	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
itemData	Object	The item's data.
itemElement	HTMLElement \| jQuery	The item's container. It is an HTML Element or a jQuery Element when you use jQuery.
itemIndex	Number	The item's index.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
event	Event (jQuery or EventObject)	The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onItemContextMenu

itemRendered

Raised after a collection item is rendered.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ContextMenu	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
itemData	Object	The current item's data.
itemElement	HTMLElement \| jQuery	The item's container. It is an HTML Element or a jQuery Element when you use jQuery.
itemIndex	Number	The current item's index.

Main article: onItemRendered

optionChanged

Raised after a widget option is changed.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
name	String	The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into.
model	Object	The model data. Available only if you use Knockout.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	ContextMenu	The widget's instance.
fullName	String	The path to the modified option that includes all parent options.
value	any	The modified option's new value.

Main article: onOptionChanged

positioning

Raised before the ContextMenu is positioned.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ContextMenu	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
event	Event (jQuery or EventObject)	The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.
position	PositionConfig	The positioning options.

Main article: onPositioning

selectionChanged

Raised when a collection item is selected or selection is canceled.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ContextMenu	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
addedItems	Array<any>	The data of the items that have been selected.
removedItems	Array<any>	The data of the items whose selection has been canceled.

Main article: onSelectionChanged

showing

Raised before the ContextMenu is shown.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ContextMenu	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
cancel	Boolean	Allows you to cancel widget showing.

Main article: onShowing

shown

Raised after the ContextMenu is shown.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The widget's instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model