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DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

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Group Header

The Group Header helps you to determine which value is used to join items into a group.

The following image demonstrates the Group Header.

TreeMap_GroupHeader

Below are the main properties that affect the element’s appearance and functionality.

Group Properties
Appearance TreeMapControl.GroupHeaderContentTemplate, TreeMapGroupDefinition.HeaderContentTemplate (for Flat Data Adapter), Explicit Data Template (for Hierarchical Data Adapter)
Content TreeMapItem.Label