Reference Guide
GdPicture14.WPF Namespace / GdViewer Class / ZoomChanged Event
Example





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    ZoomChanged Event
    In This Topic
    This event is raised after the zoom level has been successfully changed.

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

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

    The event handler receives an argument of type GdViewer.ZoomChangedEventArgs containing data related to this event. The following GdViewer.ZoomChangedEventArgs 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)
    Remarks
    Just to inform you that this event always occurs when the viewer control has been refreshed due to any changing of the zoom level or the zoom mode.
    Example
    How to utilize this event in your GdViewer control.
    'We assume that the GdViewer1 control has been properly integrated
    'and the ZoomChanged event has been properly added.
                
    'Define the event.
    Sub GdViewer1_ZoomChanged(ByVal sender As Object, ByVal e As GdPicture14.WPF.GdViewer.ZoomChangedEventArgs)
        'Do your stuff here.
    End Sub
    //We assume that the GdViewer1 control has been properly integrated
    //and the ZoomChanged event has been properly added.
                
    //Define the event.
    void GdViewer1_ZoomChanged(object sender, GdPicture14.WPF.GdViewer.ZoomChangedEventArgs e)
    {
        //Do your stuff here.
    }
    See Also