ComponentOne Basic Library for UWP
C1.UWP Assembly / C1.Xaml Namespace / C1DropDownButton Class / IsDropDownOpenChanged Event

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    IsDropDownOpenChanged Event
    In This Topic
    Event raised when the IsDropDownOpen property has changed.
    Syntax
    'Declaration
     
    Public Event IsDropDownOpenChanged As System.EventHandler(Of PropertyChangedEventArgs(Of Boolean))
    public event System.EventHandler<PropertyChangedEventArgs<bool>> IsDropDownOpenChanged
    Event Data

    The event handler receives an argument of type PropertyChangedEventArgs<T> containing data related to this event. The following PropertyChangedEventArgs<T> properties provide information specific to this event.

    PropertyDescription
    The value of the property after the change.  
    The value of the property before the change.  
    See Also