Allows you to customize the filter editor before it is displayed on screen.
public event FilterControlEventHandler FilterEditorCreated
Public Event FilterEditorCreated As FilterControlEventHandler
The FilterEditorCreated event's data class is DevExpress.XtraVerticalGrid.Events.FilterControlEventArgs.
Use the FilterEditorCreated event to customize the filter editor, or prevent it from being displayed. The event fires each time the filter editor is about to be displayed on screen.