All docs
V20.1
20.2 (EAP/Beta)
20.1
19.2
19.1
The page you are viewing does not exist in version 19.1. This link will take you to the root page.
18.2
The page you are viewing does not exist in version 18.2. This link will take you to the root page.
18.1
The page you are viewing does not exist in version 18.1. This link will take you to the root page.
17.2
The page you are viewing does not exist in version 17.2. This link will take you to the root page.

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.v20.1.dll

Declaration

public string UnderflowValuePattern { get; set; }
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.

Examples

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