DropDownOpening Event
Occurs when the value of the IsDropDownOpen property is changing from false to true.
Definition
Namespace: Avalonia.Controls
Assembly: Avalonia.Controls (in Avalonia.Controls.dll)
- C#
- VB
- F#
public event EventHandler<CancelEventArgs> DropDownOpening
Public Event DropDownOpening As EventHandler(Of CancelEventArgs)
member DropDownOpening : IEvent<EventHandler<CancelEventArgs>,
CancelEventArgs>