Spread Windows Forms 17
GrapeCity.Win.PluginInputMan Assembly / GrapeCity.Win.Spread.InputMan.CellType Namespace / GcTextBox Class / DropDownOpening Event


In This Topic
    DropDownOpening Event (GcTextBox)
    In This Topic
    Occurs before the drop-down window opens.
    Syntax
    'Declaration
 

    Public Event DropDownOpening As EventHandler(Of DropDownOpeningEventArgs)
    'Usage
 

    Dim 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.

    PropertyDescription
    ByTouchGets a value that indicates whether the drop-down operation is tiggered by touch  
    Cancel (Inherited from System.ComponentModel.CancelEventArgs)
    SyncDataGets 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

    Reference

    GcTextBox Class
    GcTextBox Members