BuyLog In
DevExtreme
All docs
V 21.1
24.2
24.1
23.2
23.1
22.2
22.1
21.2
21.1
20.2
20.1
19.2
19.1
18.2
18.1
17.2
All docs
V21.1

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
24.1
23.2
23.1
22.2
22.1
21.2
21.1
20.2
20.1
19.2
19.1
18.2
18.1
17.2
Full-text search
API Reference
UI Components
Accordion
ActionSheet
Autocomplete
BarGauge
Box
Bullet
Button
ButtonGroup
Calendar
Chart
CheckBox
CircularGauge
ColorBox
ContextMenu
DataGrid
DateBox
DeferRendering
Diagram
Draggable
Drawer
DropDownBox
DropDownButton
FileManager
FileUploader
FilterBuilder
Form
Funnel
Gallery
Gantt
HtmlEditor
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
Sortable
Sparkline
SpeedDialAction
Switch
TabPanel
Tabs
TagBox
TextArea
TextBox
TileView
Toast
Toolbar
Tooltip
TreeList
TreeMap
Configuration
childrenField
colorField
colorizer
dataSource
disabled
elementAttr
export
group
border
color
headerHeight
hoverEnabled
hoverStyle
border
color
width
color
label
padding
selectionStyle
hoverEnabled
idField
interactWithGroup
labelField
layoutAlgorithm
layoutDirection
loadingIndicator
maxDepth
onClick
onDisposing
onDrawn
onDrill
onExported
onExporting
onFileSaving
onHoverChanged
onIncidentOccurred
onInitialized
onNodesInitialized
onNodesRendering
onOptionChanged
onSelectionChanged
parentField
pathModified
redrawOnResize
rtlEnabled
selectionMode
size
theme
tile
title
tooltip
valueField
Methods
Events
Node
TreeView
ValidationGroup
ValidationSummary
Validator
VectorMap
Markup Components
UI Events
CSS Classes
Data Layer
Types
Utilities
ASP.NET MVC 5
ASP.NET Core
jQuery
UI Components
Data Binding
Common Features
Migrate to the New Version

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 TreeMap - group.hoverStyle.border

Configures the appearance of the group borders in the hover state.

Type:

Object

color

Colors the group borders in the hover state.

Type:

String

Default Value: undefined

This property supports the following colors:

width

Specifies the width of the group borders in pixels. Applies to a group in the hover state.

Type:

Number

Default Value: undefined