DxChartAnnotationImage Class

Defines settings for image annotations.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v25.1.dll

NuGet Package: DevExpress.Blazor

Declaration

public class DxChartAnnotationImage :
    DxSettingsComponent<ChartAnnotationImageModel>

Remarks

The Chart component allows you to display images within chart annotations. To enable this functionality, set the DxChartAnnotation.Type property to Image and add a DxChartAnnotationImage object to annotation markup. You can configure the following image settings:

Url

Specifies the annotation image URL.

Height

Specifies the annotation image height.

Width

Specifies the annotation image width.

The following example configures settings for an image annotation:

<DxChart Data="@DataSource">
    @* ... *@
    <DxChartLineSeries ValueField="@((ApplePrice i) => i.Close)"
                       ArgumentField="@((ApplePrice i) => i.Date)"
                       Name="AAPL" />
    <DxChartAnnotation PositionX="150"
                       PositionY="150"
                       Type="ChartAnnotationType.Image"
                       Color="transparent"
                       PaddingLeftRight="0"
                       PaddingTopBottom="0">
        <DxChartAnnotationImage Url="@StaticAssetUtils.GetImagePath("AppleStock/stock.svg")"
                                Width="60"
                                Height="60" />
        <DxChartAnnotationBorder Visible="false" />
    </DxChartAnnotation>
</DxChart>

Refer to the following section for more information about annotations: Annotations in Blazor Charts.

Implements

IComponent

IHandleEvent

IHandleAfterRender

IDisposable

Inheritance

Object

ComponentBase

DxSettingsComponent<DevExpress.Blazor.Internal.ChartAnnotationImageModel>

DxChartAnnotationImage