BuyLog In
DevExtreme
All docs
V 19.1
24.2
The page you are viewing does not exist in version 24.2.
24.1
The page you are viewing does not exist in version 24.1.
23.2
The page you are viewing does not exist in version 23.2.
23.1
The page you are viewing does not exist in version 23.1.
22.2
The page you are viewing does not exist in version 22.2.
22.1
The page you are viewing does not exist in version 22.1.
21.2
The page you are viewing does not exist in version 21.2.
21.1
The page you are viewing does not exist in version 21.1.
20.2
The page you are viewing does not exist in version 20.2.
20.1
The page you are viewing does not exist in version 20.1.
19.2
19.1
18.2
18.1
17.2
All docs
V19.1

General Information

.NET Subscription

What's Included
DevExpress Installation
DevExpress Code Examples

Common Tools

Project Converter
Assembly Deployment Tool
Localization Service

Quality Assurance and Productivity

CodeRush for Visual Studio (FREE)
TestCafe Studio

Desktop

Controls

WinForms
WPF
VCL
WinUI

Tools

WinForms Skin Editor
WPF Theme Designer
WPF Theme Editor (Legacy)
Coded UI Test Extension

Frameworks and Libraries

XAF - Cross-Platform .NET App UI
XPO - .NET ORM Library (FREE)
XPO Profiler
Core Libraries
Drawing Graphics Library
.NET App Security & Web API Service (FREE)

Web

Controls and Extensions

ASP.NET Web Forms Controls
ASP.NET MVC Extensions
ASP.NET Core Controls
ASP.NET Bootstrap Controls
DevExtreme
DevExtreme ASP.NET MVC Controls
Blazor Components

Tools

ASP.NET Theme Builder
ASP.NET Theme Deployer

Maintenance Mode

ASP.NET Core Bootstrap Controls

Mobile

Xamarin UI Controls (FREE)
.NET MAUI (FREE)

Enterprise and Analytic Tools

Reporting
Report and Dashboard Server
BI Dashboard
Office File API

End-User Documentation

Interface Elements for Desktop
Interface Elements for Web
Dashboard for Desktop
Dashboard for Web
24.2
The page you are viewing does not exist in version 24.2.
24.1
The page you are viewing does not exist in version 24.1.
23.2
The page you are viewing does not exist in version 23.2.
23.1
The page you are viewing does not exist in version 23.1.
22.2
The page you are viewing does not exist in version 22.2.
22.1
The page you are viewing does not exist in version 22.1.
21.2
The page you are viewing does not exist in version 21.2.
21.1
The page you are viewing does not exist in version 21.1.
20.2
The page you are viewing does not exist in version 20.2.
20.1
The page you are viewing does not exist in version 20.1.
19.2
19.1
18.2
18.1
17.2
Full-text search
API Reference
UI Widgets
Accordion
ActionSheet
Autocomplete
BarGauge
Box
Bullet
Configuration
Methods
Events
disposing
drawn
exported
exporting
fileSaving
incidentOccurred
initialized
optionChanged
tooltipHidden
tooltipShown
Button
ButtonGroup
Calendar
Chart
CheckBox
CircularGauge
ColorBox
ContextMenu
DataGrid
DateBox
DeferRendering
DiagramCTP
Drawer
DropDownBox
DropDownButton
FileManagerCTP
FileUploader
FilterBuilder
Form
Funnel
Gallery
HtmlEditorCTP
LinearGauge
List
LoadIndicator
LoadPanel
Lookup
Map
Menu
MultiView
NavBar
NumberBox
PieChart
PivotGrid
PivotGridFieldChooser
PolarChart
Popover
Popup
ProgressBar
RadioGroup
RangeSelector
RangeSlider
Resizable
ResponsiveBox
Sankey
Scheduler
ScrollView
SelectBox
SlideOut
SlideOutView
Slider
Sparkline
SpeedDialAction
Switch
TabPanel
Tabs
TagBox
TextArea
TextBox
TileView
Toast
Toolbar
Tooltip
TreeList
TreeMap
TreeView
ValidationGroup
ValidationSummary
Validator
VectorMap
Markup Components
UI Events
CSS Classes
Data Layer
Types
Utilities
Getting Started
Angular
React
Vue
ASP.NET MVC 5
ASP.NET Core
Widgets
Data Binding
Common Features

General Information

.NET Subscription

What's Included
DevExpress Installation
DevExpress Code Examples

Common Tools

Project Converter
Assembly Deployment Tool
Localization Service

Quality Assurance and Productivity

CodeRush for Visual Studio (FREE)
TestCafe Studio

Desktop

Controls

WinForms
WPF
VCL
WinUI

Tools

WinForms Skin Editor
WPF Theme Designer
WPF Theme Editor (Legacy)
Coded UI Test Extension

Frameworks and Libraries

XAF - Cross-Platform .NET App UI
XPO - .NET ORM Library (FREE)
XPO Profiler
Core Libraries
Drawing Graphics Library
.NET App Security & Web API Service (FREE)

Web

Controls and Extensions

ASP.NET Web Forms Controls
ASP.NET MVC Extensions
ASP.NET Core Controls
ASP.NET Bootstrap Controls
DevExtreme
DevExtreme ASP.NET MVC Controls
Blazor Components

Tools

ASP.NET Theme Builder
ASP.NET Theme Deployer

Maintenance Mode

ASP.NET Core Bootstrap Controls

Mobile

Xamarin UI Controls (FREE)
.NET MAUI (FREE)

Enterprise and Analytic Tools

Reporting
Report and Dashboard Server
BI Dashboard
Office File API

End-User Documentation

Interface Elements for Desktop
Interface Elements for Web
Dashboard for Desktop
Dashboard for Web
A newer version of this page is available. Switch to the current version.

JavaScript/jQuery Bullet Events

This section describes events fired by this widget.

See Also

disposing

Raised before the widget is disposed of.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Bullet

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.

Main article: onDisposing

See Also

drawn

Raised when the widget's rendering has finished.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Bullet

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.
Cannot be used in themes.

Main article: onDrawn

See Also

exported

Raised after the widget is exported.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Bullet

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.

Main article: onExported

See Also

exporting

Raised before the widget is exported.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
cancel

Boolean

Allows you to prevent exporting.
component

Bullet

The widget's instance.
element

HTMLElement | jQuery

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

String

The name of the file to which the widget is about to be exported.
format

String

The resulting file format. One of PNG, PDF, JPEG, SVG and GIF.
model

Object

The model data. Available only if you use Knockout.

Main article: onExporting

See Also

fileSaving

Raised before a file with exported widget is saved to the user's local storage.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
cancel

Boolean

Allows you to prevent file saving.
component

Bullet

The widget's instance.
data

BLOB

Exported data as a BLOB.
element

HTMLElement | jQuery

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

String

The name of the file to be saved.
format

String

The format of the file to be saved.
Possible Values: 'PNG' | 'PDF' | 'JPEG' | 'SVG' | 'GIF'

Main article: onFileSaving

See Also

incidentOccurred

Raised when an error or warning occurs.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Bullet

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.
target any

Information on the occurred incident.

Main article: onIncidentOccurred

See Also

initialized

Raised only once, after the widget is initialized.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Bullet

The widget's instance.
element

HTMLElement | jQuery

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

Main article: onInitialized

See Also

optionChanged

Raised after a widget option is changed.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
model

Object

The model data. Available only if you use Knockout.
fullName

String

The path to the modified option that includes all parent options.
element

HTMLElement | jQuery

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

Bullet

The widget's instance.
name

String

The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into.
value any

The modified option's new value.

Main article: onOptionChanged

See Also

tooltipHidden

Raised when a tooltip becomes hidden.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Bullet

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.
Cannot be used in themes.

Main article: onTooltipHidden

See Also

tooltipShown

Raised when a tooltip appears.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Bullet

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.
Cannot be used in themes.

Main article: onTooltipShown

See Also