DropDownOpening Event (ComboEditorBase<T,TControl>)

Occurs when the value of the IsDropDownOpen property is changing from false to true.
Public Event DropDownOpening As EventHandler(Of CancelEventArgs)
public event EventHandler<CancelEventArgs> DropDownOpening
Event Data

The event handler receives an argument of type CancelEventArgs containing data related to this event. The following CancelEventArgs properties provide information specific to this event.


Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also