'Declaration <DescriptionAttribute("Raised when the DropDownControl associated with the button is opening.")> <CategoryAttribute("Behavior")> Public Event DropDownOpening As CancelEventHandler
'Usage Dim instance As WinButton Dim handler As CancelEventHandler AddHandler instance.DropDownOpening, handler
[Description("Raised when the DropDownControl associated with the button is opening.")] [Category("Behavior")] public event CancelEventHandler 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.
| Property | Description |
|---|---|
| Cancel |
Requirements
Target Platforms: 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
See Also