Reference Guide
GdPicture14.WPF Namespace / GdViewer Class / PreviewScroll Event





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    PreviewScroll Event
    In This Topic
    This event is raised when the user scrolls through the GdViewer control area using the mouse move or when they scroll using the vertical or the horizontal scrollbars directly.

    The event makes use of tunel routing strategy. Please check the corresponded GdViewer.ScrollEventArgs for more details.

    Syntax
    'Declaration
     
    
    Public Event PreviewScroll As GdViewer.PreviewScrollHandler
    public event GdViewer.PreviewScrollHandler PreviewScroll
    public event PreviewScroll: GdViewer.PreviewScrollHandler; 
    In JScript, you can handle the events defined by another class, but you cannot define your own.
    public: __event GdViewer.PreviewScrollHandler* PreviewScroll
    public:
    event GdViewer.PreviewScrollHandler^ PreviewScroll
    Event Data

    The event handler receives an argument of type GdViewer.ScrollEventArgs containing data related to this event. The following GdViewer.ScrollEventArgs properties provide information specific to this event.

    PropertyDescription
    (Inherited from System.Windows.RoutedEventArgs)
    (Inherited from System.Windows.RoutedEventArgs)
    (Inherited from System.Windows.RoutedEventArgs)
    (Inherited from System.Windows.RoutedEventArgs)
    Example
    Please follow the example for the Scroll event to motivate yourself on how to utilize this event in your GdViewer control.
    See Also