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





In This Topic
    RegionSelected Event
    In This Topic
    This event is raised when a highlighted region has been selected by a user using the mouse.

    The event makes use of bubble routing strategy. Please check the corresponded GdViewer.RegionSelectedEventArgs for given parameters.

    Highlighted regions for currently displayed document are identified and created when searching text, for example using the SearchText(String,Int32,Boolean) method or the second similar overloaded method as well. You can also define highlighted regions directly using the AddRegion(String,Double,Double,Double,Double,Color,RegionFillMode) method.

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

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

    PropertyDescription
    (Inherited from System.Windows.RoutedEventArgs)
    (Inherited from System.Windows.RoutedEventArgs)
    The unique region identifier of the highlighted region selected by a user.  
    (Inherited from System.Windows.RoutedEventArgs)
    (Inherited from System.Windows.RoutedEventArgs)
    Remarks
    Be aware that the RegionsAreEditable property needs to be turned on to enable the region selection.
    Example
    How to utilize this event in your GdViewer control.
    'We assume that the GdViewer1 control has been properly integrated
    'and the RegionSelected event has been properly added.
                
    'Define the event.
    Sub GdViewer1_RegionSelected(ByVal sender As Object, ByVal e As GdPicture14.WPF.GdViewer.RegionSelectedEventArgs)
        'Do your stuff here.
    End Sub
    //We assume that the GdViewer1 control has been properly integrated
    //and the RegionSelected event has been properly added.
                
    //Define the event.
    void GdViewer1_RegionSelected(object sender, GdPicture14.WPF.GdViewer.RegionSelectedEventArgs e)
    {
        //Do your stuff here.
    }
    See Also