AutoCompleteBoxDropDownOpening Event
Occurs when the value of the
IsDropDownOpen
property is changing from false to true.
Namespace: Avalonia.ControlsAssembly: Avalonia.Controls (in Avalonia.Controls.dll) Version: 11.3.999
public event EventHandler<CancelEventArgs> DropDownOpening
Public Event DropDownOpening As EventHandler(Of CancelEventArgs)
member DropDownOpening : IEvent<EventHandler<CancelEventArgs>,
CancelEventArgs>
Value
EventHandlerCancelEventArgs