'Declaration Public Event BeforeDropDown As CancelEventHandler
public event CancelEventHandler BeforeDropDown
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.
| Property | Description |
|---|---|
| Cancel |
The BeforeDropDown event can be canceled; when this happens, the dropdown list is not displayed, and the AfterDropDown event does not fire.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, 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