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Full-text search
Overview
Getting Started
UI Components
Accordion
ActionSheet
Autocomplete
BarGauge
Box
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API
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Tooltip
contentTemplate
customizeTooltip
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Migrate to the New Version

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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)
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Enterprise and Analytic Tools

Reporting
Report and Dashboard Server
BI Dashboard
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End-User Documentation

Interface Elements for Desktop
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Dashboard for Desktop
Dashboard for Web

JavaScript/jQuery TreeMap - Tooltip

import { Tooltip } from "devextreme/viz/tree_map"

contentTemplate

Specifies a custom template for a tooltip.

Type:

template

Template Data:
Name Type Description
node

TreeMap Node

The Node object.
value

Number

The raw node value.
valueText

String

The formatted value converted to a string.
Default Name: undefined

customizeTooltip

Allows you to change tooltip appearance.

Type:

Function

Function parameters:
info:

Object

Information on the node being pressed or hovered over with the mouse pointer.

Object structure:
Name Type Description
node

TreeMap Node

The Node object.
value

Number

The raw node value.
valueText

String

The formatted value converted to a string.
Return Value:

Object

The tooltip's text or markup and color.

Default Value: undefined