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V25.1
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    RangeSelectorValueChangeMode Enum

    Lists user actions that cause selected range updates.

    Namespace: DevExpress.Blazor

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    #Declaration

    C#
    public enum RangeSelectorValueChangeMode

    #Members

    Name Description
    OnHandleRelease

    The component updates selected range values once a user drops a slider handle.

    OnHandleMove

    The component updates selected range values whenever a user drags a slider handle.

    #Related API Members

    The following properties accept/return RangeSelectorValueChangeMode values:

    #Remarks

    Use the DxRangeSelector.ValueChangeMode property to specify how the Range Selector updates the selected range.

    The following code snippet sets the value change mode to OnHandleMove, obtains values of the current range in a ValueChanged event handler, and displays the number of selected days:

    Range Selector - Value Change Mode

    Razor
    <span><b>@DaysCount days are selected</b></span>
    <DxRangeSelector Width="1100px"
                     Height="200px"
                     SelectedRangeStartValue="@(new DateTime(2024, 2, 1))"
                     SelectedRangeEndValue="@(new DateTime(2024, 2, 14))"
                     ValueChanged="@OnValueChanged"
                     ValueChangeMode="RangeSelectorValueChangeMode.OnHandleMove">
        <DxRangeSelectorScale StartValue="@(new DateTime(2024, 1, 1))"
                              EndValue="@(new DateTime(2024, 6, 1))"
                              TickInterval="ChartAxisInterval.Week"
                              MinorTickInterval="ChartAxisInterval.Day"
                              MinRange="ChartAxisInterval.Week"
                              MaxRange="ChartAxisInterval.Month"
                              ValueType="ChartAxisDataType.DateTime">
            <DxRangeSelectorScaleMarker>
                <DxRangeSelectorScaleMarkerLabel>
                    <DxTextFormatSettings Type="TextFormat.MonthAndYear" />
                </DxRangeSelectorScaleMarkerLabel>
            </DxRangeSelectorScaleMarker>
        </DxRangeSelectorScale>
        <DxRangeSelectorSliderMarker>
            <DxTextFormatSettings Type="TextFormat.MonthAndDay" />
        </DxRangeSelectorSliderMarker>
    </DxRangeSelector>
    
    @code {
        double DaysCount { get; set; } = 14;
        void OnValueChanged(RangeSelectorValueChangedEventArgs args) {
            var startDate = args.CurrentRange.FirstOrDefault() as DateTime?;
            var endDate = args.CurrentRange.LastOrDefault() as DateTime?;
            if (startDate != null && endDate != null)
                DaysCount = (endDate - startDate).Value.TotalDays;
        }
    }
    
    See Also