AnnotationClicked Event (GdViewer)

In This Topic

This event is raised when a GdPicture/XMP annotation has been clicked. This event occurs in the mouse down action.

Please check the corresponded GdViewer.AnnotationClickedEventHandler for given parameters.

Syntax

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

'Declaration
 
Public Event AnnotationClicked As GdViewer.AnnotationClickedEventHandler

public event GdViewer.AnnotationClickedEventHandler AnnotationClicked

public event AnnotationClicked: GdViewer.AnnotationClickedEventHandler;

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

public: __event GdViewer.AnnotationClickedEventHandler* AnnotationClicked

public:
event GdViewer.AnnotationClickedEventHandler^ AnnotationClicked

Remarks

Be aware, that this event only handles GdPicture/XMP annotations.

Example

How to add this event to your GdViewer control. This example shows you how to address the currently clicked annotation.

VB.NET
C#

'We assume that the GdViewer1 control has been properly integrated.
Friend WithEvents GdViewer1 As GdPicture14.GdViewer
            
'Add the event.
AddHandler GdViewer1.AnnotationClicked, AddressOf GdViewer1_AnnotationClicked
            
'Define the event.
Sub GdViewer1_AnnotationClicked(ByVal AnnotationIdx As Integer) Handles GdViewer1.AnnotationClicked
    Dim annot As GdPicture14.Annotations.Annotation = GdViewer1.GetAnnotationFromIdx(AnnotationIdx)
    MessageBox.Show("The annotation with the index " + AnnotationIdx.ToString() + " has been clicked.", "GdViewer.AnnotationClicked")
End Sub

//We assume that the GdViewer1 control has been properly integrated.
            
//Add the event.
GdViewer1.AnnotationClicked += GdViewer1_AnnotationClicked;
            
//Define the event.
void GdViewer1_AnnotationClicked(int AnnotationIdx)
{
    GdPicture14.Annotations.Annotation annot = GdViewer1.GetAnnotationFromIdx(AnnotationIdx);
    MessageBox.Show("The annotation with the index " + AnnotationIdx.ToString() + " has been selected.", "GdViewer.AnnotationClicked");
}

Reference

GdViewer Class
GdViewer Members
GdViewer.AnnotationClickedEventHandler Delegate
GetAnnotationFromIdx Method
Annotation Class