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V25.1
  • DxChartAnnotationBase<T>.TooltipEnabled Property

    Specifies whether the annotation tooltip is enabled.

    Namespace: DevExpress.Blazor

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    Declaration

    [DefaultValue(true)]
    [Parameter]
    public bool TooltipEnabled { get; set; }

    Property Value

    Type Default Description
    Boolean true

    true to enable the annotation tooltip; otherwise, false.

    Remarks

    The Chart component displays tooltips when a user hovers a mouse pointer over chart annotations. Use the TooltipText property to specify tooltip text content. To disable tooltip functionality for an annotation, set the TooltipEnabled property to false.

    <DxChart Data="@DataSource">
        @* ... *@
        <DxChartLineSeries ValueField="@((ApplePrice i) => i.Close)"
                           ArgumentField="@((ApplePrice i) => i.Date)"
                           Name="AAPL" />
        <DxChartAnnotation Argument="new DateTime(2019, 9, 10)"
                           Series="AAPL"
                           Text="Watch Series 5"
                           TooltipText="Apple Watch Series 5 was announced
                                        on September 10, 2019."
                           TooltipEnabled="false"
                           VerticalOffset="-50" />
        <DxChartAnnotation Argument="new DateTime(2020, 12, 15)"
                           Series="AAPL"
                           Text="AirPods Max"
                           TooltipText="AirPods Max - wireless Bluetooth over-ear
                                        headphones - were released on December 15, 2020."
                           VerticalOffset="-50" />
    </DxChart>
    

    Chart - Annotation tooltip

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

    See Also