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TreeListView.CustomDataUpdateFormatCondition Event

Allows defining a custom logic of conditional formatting of the changed grid cells (rows).

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v22.2.dll

NuGet Package: DevExpress.Wpf.Grid.Core


public event EventHandler<CustomDataUpdateFormatConditionEventArgs> CustomDataUpdateFormatCondition

Event Data

The CustomDataUpdateFormatCondition event's data class is CustomDataUpdateFormatConditionEventArgs. The following properties provide information specific to this event:

Property Description
Allow Gets or sets whether the formatting should be applied to a processed cell (row).
Condition Gets the currently processed format condition.
NewValue Gets the new cell value.
OldValue Gets the previous cell value.


Use the DataUpdateFormatCondition.Rule property to set a rule that determines whether the data update formatting is applied.

To define a custom logic, set the DataUpdateFormatCondition.Rule property to DataUpdateRule.Custom and handle the CustomDataUpdateFormatCondition (or TableView.CustomDataUpdateFormatCondition) event.

The code sample below shows how to define a custom logic for conditional formatting.

<dxg:TreeListView x:Name="view" CustomDataUpdateFormatCondition="view_CustomDataUpdateFormatCondition">
      <dxg:DataUpdateFormatCondition FieldName="DeltaPrice" Rule="Custom" PredefinedFormatName="LightRedFillWithDarkRedText" />
See Also