Skip to main content

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.

Take the survey Not interested

TreeMapItemStorage Class

Stores a collection of tree map items and provides them to a tree map control.

Namespace: DevExpress.Xpf.TreeMap

Assembly: DevExpress.Xpf.TreeMap.v24.2.dll

NuGet Package: DevExpress.Wpf.TreeMap

#Declaration

public class TreeMapItemStorage :
    TreeMapDataAdapterBase

#Remarks

This class introduces the TreeMapItemStorage.Items property, allowing you to specify the collection of tree map items.

#Example

To manually provide data to the TreeMap, perform the following actions.

<dxtm:TreeMapControl>
    <dxtm:TreeMapControl.Colorizer>
        <dxtm:TreeMapPaletteColorizer>
            <dxtm:Office2016Palette/>
        </dxtm:TreeMapPaletteColorizer>
    </dxtm:TreeMapControl.Colorizer>
    <dxtm:TreeMapItemStorage>
        <dxtm:TreeMapItem Label="Americas">
            <dxtm:TreeMapItem Label="United States"
                              Value="11384763"/>
            <dxtm:TreeMapItem Label="Brazil"
                              Value="1799612"/>
            <dxtm:TreeMapItem Label="Canada"
                              Value="1572781"/>
        </dxtm:TreeMapItem>
        <dxtm:TreeMapItem Label="Europe">
            <dxtm:TreeMapItem Label="Germany"
                              Value="3371003"/>
            <dxtm:TreeMapItem Label="United Kingdom"
                              Value="2582021"/>
            <dxtm:TreeMapItem Label="France"
                              Value="2422649"/>
            <dxtm:TreeMapItem Label="Italy"
                              Value="1809047"/>
        </dxtm:TreeMapItem>
        <dxtm:TreeMapItem Label="Asia">
            <dxtm:TreeMapItem Label="China"
                              Value="17968195"/>
            <dxtm:TreeMapItem Label="Japan"
                              Value="4116242"/>
            <dxtm:TreeMapItem Label="India"
                              Value="2864903"/>
        </dxtm:TreeMapItem>
    </dxtm:TreeMapItemStorage>
</dxtm:TreeMapControl>
See Also