Enables you to customize a column's filter dropdown.
public event FilterPopupEventHandler ShowFilterPopup
Public Event ShowFilterPopup As FilterPopupEventHandler
The ShowFilterPopup event's data class is FilterPopupEventArgs. The following properties provide information specific to this event:
|Column||Provides access to a grid column whose values should be filtered.|
|ComboBoxEdit||Gets the filter dropdown.|
|ExcelColumnFilterSettings||Provides access to the settings of the Excel-style filter.|
|Handled||Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. Inherited from RoutedEventArgs.|
|OriginalSource||Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs.|
|PopupBaseEdit||Gets the filter pop-up.|
|RoutedEvent||Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs.|
|Source||Gets the View that raised the event.|
The event data class exposes the following methods:
|InvokeEventHandler(Delegate, Object)||When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation. Inherited from RoutedEventArgs.|
|OnSetSource(Object)||When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes. Inherited from RoutedEventArgs.|
The ShowFilterPopup event is raised before a column's filter dropdown is shown, allowing you to customize its filter items. For example, you can delete existing items, change the popup's minimum width and height, add new items with custom captions and filter values, etc.