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.v24.2.dll
NuGet Package: DevExpress.Wpf.Grid.Core
#Declaration
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. |
New |
Gets the new cell value. |
Old |
Gets the previous cell value. |
#Remarks
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.
private void view_CustomDataUpdateFormatCondition(object sender, CustomDataUpdateFormatConditionEventArgs e) {
if((decimal)e.NewValue < 0)
e.Allow = true;
e.Condition.ApplyToRow = true;
}