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IntervalTimeSpanScaleOptions.UnderflowValuePattern Property

Gets or sets a format string that configures text for the overflow interval axis label and crosshair label.

Namespace: DevExpress.Xpf.Charts

Assembly: DevExpress.Xpf.Charts.v22.1.dll

NuGet Package: DevExpress.Wpf.Charts

Declaration

public string UnderflowValuePattern { get; set; }

Property Value

Type Description
String

A format string.

Remarks

Patterns can contain regular text (displayed as is) and value placeholders in braces. You can apply Format Specifiers to placeholder values. Use a colon to separate a placeholder and its format specifier.

The following table contains the available placeholders:

Placeholder Description
{OB} Displays an opening bracket.
{CB} Displays a closing bracket.
{OS} Displays the greater than sign.
{US} Displays the less than or less than or equal to sign.
{A1} Displays the interval start value.
{A2} Displays the interval end value.

Example

This example shows how to display intervals on the x-axis:

The example uses the following API members:

Member Description
IntervalTimeSpanScaleOptions Stores options for the time-span x-axis whose scale is divided into intervals.
ManualTimeSpanScaleOptions.AggregateFunction Gets or sets the function that is used to aggregate time-span data associated with the axis.
OverflowValue Gets or sets the overflow interval’s start value.
UnderflowValue Gets or sets the underflow interval’s end value.
Pattern Gets or sets a format string that configures text for the axis label and crosshair label.
OverflowValuePattern Gets or sets a format string that configures text for the overflow interval axis label and crosshair label.
UnderflowValuePattern Gets or sets a format string that configures text for the overflow interval axis label and crosshair label.
<dxc:XYDiagram2D.AxisX>
    <dxc:AxisX2D>
        <dxc:AxisX2D.TimeSpanScaleOptions>
            <dxc:IntervalTimeSpanScaleOptions AggregateFunction="Average" 
                                              Pattern="{}{A1:dd\.hh\:mm}-{A2:dd\.hh\:mm}" 
                                              UnderflowValue="0.06:00:00" 
                                              UnderflowValuePattern="{}{US}{A2:hh\:mm}"
                                              OverflowValue="1.12:00:00" 
                                              OverflowValuePattern="{}{OS}{A1:dd\.hh\:mm\:ss}"/>
        </dxc:AxisX2D.TimeSpanScaleOptions>                        
    </dxc:AxisX2D>
</dxc:XYDiagram2D.AxisX>
See Also