PropertyChanged Event (AnnotationEditor)

In This Topic

This event is raised when an annotation property has been modified.

Please check the corresponded AnnotationEditor.PropertyChangedEventHandler for given parameters.

Syntax

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

'Declaration
 
Public Event PropertyChanged As AnnotationEditor.PropertyChangedEventHandler

public event AnnotationEditor.PropertyChangedEventHandler PropertyChanged

public event PropertyChanged: AnnotationEditor.PropertyChangedEventHandler;

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

public: __event AnnotationEditor.PropertyChangedEventHandler* PropertyChanged

public:
event AnnotationEditor.PropertyChangedEventHandler^ PropertyChanged

Example

How to add this event to your AnnotationEditor object.

VB.NET
C#

'We assume that GdViewer1 control has been properly integrated in your application.
            
'Define and initialize the AnnotationEditor1 object.
Friend WithEvents AnnotationEditor1 As GdPicture14.AnnotationEditor
oAnnotEditor = New AnnotationEditor()
oAnnotEditor.InitFromAnnotationManager(GdViewer1.GetAnnotationManager())
            
'Add the event.
AddHandler AnnotationEditor1.PropertyChanged, AddressOf AnnotationEditor1_PropertyChanged
            
'Define the event.
Sub AnnotationEditor1_PropertyChanged(ByVal PropertyName As String, ByVal Reserved1 As String, ByVal Reserved2 As String, ByVal Reserved3 As String) Handles AnnotationEditor1_PropertyChanged
    Dim annotIdx As Integer = GdViewer1.GetSelectedAnnotationIdx()
    If annotIdx >= 0 Then
        Dim annot As GdPicture14.Annotations.Annotation = GdViewer1.GetAnnotationFromIdx(annotIdx)
        If GdViewer1.GetStat() <> GdPictureStatus.OK Then Throw New IndexOutOfRangeException()
        MessageBox.Show("The selected annotation index is: " + annotIdx + vbCrLf + "The changed property is: " + PropertyName, "AnnotationEditor.PropertyChanged")
    End If
End Sub

//We assume that the GdViewer1 control has been properly integrated in your application.
//Define and initialize the AnnotationEditor1 object.
AnnotationEditor AnnotationEditor1 = new AnnotationEditor();
AnnotationEditor1.InitFromAnnotationManager(GdViewer1.GetAnnotationManager());
            
//Add the event.
AnnotationEditor1.PropertyChanged += AnnotationEditor1_PropertyChanged;
            
//Define the event.
void AnnotationEditor1_PropertyChanged(string PropertyName, string Reserved1, string Reserved2, string Reserved3)
{
    int annotIdx = GdViewer1.GetSelectedAnnotationIdx();
    if (annotIdx >= 0)
    {
        GdPicture14.Annotations.Annotation annot = GdViewer1.GetAnnotationFromIdx(annotIdx);
        if (GdViewer1.GetStat() != GdPictureStatus.OK) throw new IndexOutOfRangeException();
        MessageBox.Show("The selected annotation index is: " + annotIdx + "\nThe changed property is: " + PropertyName, "AnnotationEditor.PropertyChanged");
    }
}

Reference

AnnotationEditor Class
AnnotationEditor Members
AnnotationEditor.PropertyChangedEventHandler Delegate