IdItemKeyProvider Class

This class is used to provide ID values of map chart items as keys for the KeyColorColorizer to colorize these items.

Namespace: DevExpress.Xpf.Map

Assembly: DevExpress.Xpf.Map.v24.1.dll

NuGet Package: DevExpress.Wpf.Map

Declaration

C#

public class IdItemKeyProvider :
    MapDependencyObject,
    IColorizerItemKeyProvider

VB.NET

Public Class IdItemKeyProvider
    Inherits MapDependencyObject
    Implements IColorizerItemKeyProvider

Example

To colorize map items using the KeyColorColorizer do the following.

1. Create a KeyColorColorizer object and assign it to the VectorLayer.Colorizer property.
2. Specify the KeyColorColorizer.ItemKeyProvider property.
3. Customize the MapColorizer.Colors collection.
4. Add several ColorizerKeyItem items to the KeyColorColorizer.Keys collection. Note that if keys are not specified, they will be generated automatically.

MainWindow.xaml

<dxm:VectorLayer.Colorizer>
    <dxm:KeyColorColorizer>
        <dxm:KeyColorColorizer.ItemKeyProvider>
            <dxm:IdItemKeyProvider/>
        </dxm:KeyColorColorizer.ItemKeyProvider>
        <dxm:KeyColorColorizer.Colors>
            <Color>#FFFFCF62</Color>
            <Color>#FFA9B5BC</Color>
            <Color>#FFE99876</Color>
        </dxm:KeyColorColorizer.Colors>
        <dxm:KeyColorColorizer.Keys>
            <dxm:ColorizerKeyItem Name="Gold">
                <dxm:ColorizerKeyItem.Key>
                    <sys:Int32>1</sys:Int32>
                </dxm:ColorizerKeyItem.Key>
            </dxm:ColorizerKeyItem>
            <dxm:ColorizerKeyItem Name="Silver">
                <dxm:ColorizerKeyItem.Key>
                    <sys:Int32>2</sys:Int32>
                </dxm:ColorizerKeyItem.Key>
            </dxm:ColorizerKeyItem>
            <dxm:ColorizerKeyItem Name="Bronze">
                <dxm:ColorizerKeyItem.Key>
                    <sys:Int32>3</sys:Int32>
                </dxm:ColorizerKeyItem.Key>
            </dxm:ColorizerKeyItem>
        </dxm:KeyColorColorizer.Keys>
    </dxm:KeyColorColorizer>
</dxm:VectorLayer.Colorizer>

Implements

IColorizerItemKeyProvider

Inheritance

Object

DispatcherObject

DependencyObject

Freezable

MapDependencyObject

IdItemKeyProvider