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V25.1
  • HeatmapControl.SelectionMode Property

    Gets or sets the selection mode for heatmap cells.

    Namespace: DevExpress.XtraCharts.Heatmap

    Assembly: DevExpress.XtraCharts.v25.1.UI.dll

    NuGet Package: DevExpress.Win.Charts

    Declaration

    public ElementSelectionMode SelectionMode { get; set; }

    Property Value

    Type Description
    ElementSelectionMode

    A value that identifies the selection mode.

    Available values:

    Name Description
    None

    The selection of a chart element is disabled.

    Single

    Selects the only chart element.

    ElementSelectionMode.Single

    Multiple

    Selects multiple chart elements.

    ElementSelectionMode.Multiple

    Extended

    Combines the Single and Multiple selection modes’ behaviors. Click an element to select it. To select/deselect multiple elements, click them while the Ctrl key is pressed.

    ElementSelectionMode.Extended

    Remarks

    The following images show how different selection modes work for a heatmap:

    Selection Mode Description
    Single A user can select a single heatmap cell.
    Single selection mode
    Multiple A user can select multiple heatmap cells.
    Multiple selection mode
    Extended A user can select a single heatmap cell. A user can hold down the Ctrl key to select multiple cells.
    Extended selection mode
    None A user cannot select heatmap cells.

    The following code enables Multiple selection mode:

    heatmapControl1.SelectionMode = XtraCharts.ElementSelectionMode.Multiple;
    
    See Also