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V24.2

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DxSankey.LinkClick Event

Fires when a user clicks a DxSankey link.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

#Declaration

C#
[Parameter]
public EventCallback<SankeyLinkClickEventArgs> LinkClick { get; set; }

#Event Data

The LinkClick event's data class is SankeyLinkClickEventArgs. The following properties provide information specific to this event:

Property Description
Connection Returns the clicked link and its associated nodes.

#Remarks

Handle the LinkClick event to respond to clicks on links.

The following code snippet handles the LinkClick event and displays information about the clicked link and associated nodes:

<DxSankey Data="@Data"
          Width="100%"
          Height="440px"
          LinkClick="@OnLinkClick"
          SourceFieldName="Source"
          TargetFieldName="Target"
          WeightFieldName="Weight">
    <DxSankeyNodeSettings Width="8" Spacing="30" />
    <DxSankeyLinkSettings ColorMode="SankeyLinkColorMode.Gradient" />
    <DxTitleSettings Text="Commodity Turnover" />
</DxSankey>

@Message

@code {
    IEnumerable<SankeyDataPoint> Data = Enumerable.Empty<SankeyDataPoint>();
    protected override void OnInitialized() {
        Data = GenerateData();
    }

    string Message { get; set; }
    void OnLinkClick(SankeyLinkClickEventArgs args) {
        var connection = args.Connection;
        Message = "The source node: " + connection.SourceNode + ". " +
                  "The target node: " + connection.TargetNode + ". " +
                  "The link weight: " + connection.Weight + ".";
    }
}

See Also