DxChartAnnotationBorder.Opacity Property

Specifies annotation border transparency.

Assembly : DevExpress.Blazor.v25.2.dll

Declaration

csharp

[Parameter]
public double Opacity { get; set; }

Property Value

Type	Description
Double

A value between 0 (transparent) and 1 (opaque).

Remarks

The Opacity property accepts values from 0 (transparent) to 1 (opaque).

The following code snippet changes the appearance of annotation borders:

razor

<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">
        <DxChartAnnotationBorder Color="#5F368D"
                                 CornerRadius="6"
                                 DashStyle="ChartDashStyle.Dot"
                                 Opacity="0.7"
                                 Width="2" />
    </DxChartAnnotation>
</DxChart>