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.v24.1.dll

NuGet Package: DevExpress.Wpf.Charts

Declaration

C#

public string UnderflowValuePattern { get; set; }

VB.NET

Public Property UnderflowValuePattern As String

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.

XAML

<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>