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Tooltip

Smith Chart displays the details about the points through tooltip, when the mouse is hovered over the point. By default, tooltip is disabled. To enable the tooltip, set the property Visible property to true, in SmithchartSeriesTooltip. You can customize the visibility of tooltip and appearance separately for each series in the Smith Chart.

@using Syncfusion.EJ2.Blazor.Charts

<EjsSmithchart>
    <SmithchartSeriesCollection>
        <SmithchartSeries Name="First transmission" Points="@firstTransmissionData">
            <SmithchartSeriesMarker Visible="true"></SmithchartSeriesMarker>
            <SmithchartSeriesTooltip Visible="true"></SmithchartSeriesTooltip>
        </SmithchartSeries>
    </SmithchartSeriesCollection>
</EjsSmithchart>

@code {
    public class SmithDataSource
    {
        public double? resistance;
        public double? reactance;
    };
    private List<SmithDataSource> firstTransmissionData = new List<SmithDataSource> {
        new SmithDataSource { resistance= 10, reactance= 25 },
        new SmithDataSource { resistance= 6, reactance= 4.5 },
        new SmithDataSource { resistance= 3.5, reactance= 1.6 },
        new SmithDataSource { resistance= 2, reactance= 1.2 },
        new SmithDataSource { resistance= 1, reactance= 0.8 },
        new SmithDataSource { resistance= 0, reactance= 0.2 }
    };
}

Smith chart with tooltip