'DeclarationPublic Event DropDownOpening As EventHandler(Of DropDownOpeningEventArgs)
'UsageDim instance As GcTextBox Dim handler As EventHandler(Of DropDownOpeningEventArgs) AddHandler instance.DropDownOpening, handler
public event EventHandler<DropDownOpeningEventArgs> DropDownOpening
Event Data
The event handler receives an argument of type DropDownOpeningEventArgs containing data related to this event. The following DropDownOpeningEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| ByTouch | Gets a value that indicates whether the drop-down operation is tiggered by touch |
| Cancel | (Inherited from System.ComponentModel.CancelEventArgs) |
| SyncData | Gets or sets a value that indicates whether to synchronize data to the drop-down when it's opening. |
Remarks
This event is raised if the drop-down window is being opened by either a programmatic modification or user interaction.
See Also