PreviewRegionEdited Event

In This Topic

This event is raised when a highlighted region has been moved or resized, which actually means edited, by a user using the mouse.

The event makes use of tunel routing strategy. Please check the corresponded GdViewer.RegionEditedEventArgs 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

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration

 

Public Event PreviewRegionEdited As GdViewer.PreviewRegionEditedHandler

public event GdViewer.PreviewRegionEditedHandler PreviewRegionEdited

public event PreviewRegionEdited: GdViewer.PreviewRegionEditedHandler;

In JScript, you can handle the events defined by another class, but you cannot define your own.

public: __event GdViewer.PreviewRegionEditedHandler* PreviewRegionEdited

public:

event GdViewer.PreviewRegionEditedHandler^ PreviewRegionEdited

Event Data

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

Property	Description
Handled	(Inherited from System.Windows.RoutedEventArgs)
OriginalSource	(Inherited from System.Windows.RoutedEventArgs)
RegionID	The unique region identifier of the highlighted region edited by a user.
RoutedEvent	(Inherited from System.Windows.RoutedEventArgs)
Source	(Inherited from System.Windows.RoutedEventArgs)

Remarks

Be aware that the RegionsAreEditable property needs to be turned on to enable region editing.

Example

Please follow the example for the RegionEdited event to motivate yourself on how to utilize this event in your GdViewer control.

Example

Please follow the example for the event to motivate yourself on how to utilize this event in your GdViewer control.

Reference

GdViewer Class
GdViewer Members
GdViewer.RegionEditedEventArgs Class
SearchText(String,Int32,Boolean) Method
AddRegion(String,Double,Double,Double,Double,Color,RegionFillMode) Method
RegionsAreEditable Property
GdViewer.PreviewRegionEditedHandler Delegate
GdViewer.RegionEditedEventArgs Class
RegionEdited Event
PreviewRegionSelected Event
RegionSelected Event
RegionsAreEditable Property
RegionEdited Event