How to: Use Manual Date-Time Scale Options of an Axis
- 3 minutes to read
This example uses manual date-time scale options of the X-axis. It sets the AxisX2D.DateTimeScaleOptions property to ManualDateTimeScaleOptions and specifies GridAlignment, MeasureUnit, and AggregateFunction properties.
This example obtains data from the GbpUsdRate.xml file. Download GbpUsdRate.xml
<dx:ThemedWindow
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core"
xmlns:dxc="http://schemas.devexpress.com/winfx/2008/xaml/charts"
x:Class="DXWPFCharts.MainWindow"
Title="MainWindow" Height="800" Width="1000">
<Grid>
<dxc:ChartControl>
<dxc:XYDiagram2D >
<dxc:XYDiagram2D.AxisX>
<dxc:AxisX2D GridLinesMinorVisible="True" GridLinesVisible="True" MinorCount="3">
<dxc:AxisX2D.Title>
<dxc:AxisTitle Content="Date"/>
</dxc:AxisX2D.Title>
<dxc:AxisX2D.DateTimeScaleOptions>
<dxc:ManualDateTimeScaleOptions AggregateFunction="Maximum" AutoGrid="False"
GridAlignment="Month" MeasureUnit="Day"
GridSpacing="3" GridOffset="1"/>
</dxc:AxisX2D.DateTimeScaleOptions>
</dxc:AxisX2D>
</dxc:XYDiagram2D.AxisX>
<dxc:LineSeries2D DataSource="{Binding Path=Rate}"
ArgumentDataMember="Argument" ValueDataMember="Value" />
</dxc:XYDiagram2D>
</dxc:ChartControl>
</Grid>
</dx:ThemedWindow>
Tip
To use automatic date-time scale options, set the AxisX2D.DateTimeScaleOptions property to AutomaticDateTimeScaleOptions and select the appropriate AutomaticDateTimeScaleOptions.AggregateFunction.