Be aware that this method only handles GdPicture/XMP annotations.
'DeclarationPublic Function GetAnnotationCount() As Integer
public int GetAnnotationCount()
public function GetAnnotationCount(): Integer; public function GetAnnotationCount() : int;public: int GetAnnotationCount();
public: int GetAnnotationCount();
Be aware that annotations are always treated relative to the currently displayed page.
You can regularly apply the GetStat method to determine if this method has been successful.
'We assume that the GdViewer1 control has been properly integrated 'and your document has been properly displayed as well. Dim annotCount As Integer = GdViewer1.GetAnnotationCount() Dim message As String = "The number of GdPicture/XMP annotations on the current page: " + annotCount Dim annot As GdPicture14.Annotations.Annotation = Nothing If annotCount > 0 Then annot = GdViewer1.GetAnnotationFromIdx(0) message = message + vbCrLf + "The author of the first one is: " + annot.Author End If MessageBox.Show(message, "GdViewer.GetAnnotationCount")
//We assume that the GdViewer1 control has been properly integrated //and your document has been properly displayed as well. int annotCount = GdViewer1.GetAnnotationCount(); string message = "The number of GdPicture/XMP annotations on the current page: " + annotCount; GdPicture14.Annotations.Annotation annot = null; if (annotCount > 0) { annot = GdViewer1.GetAnnotationFromIdx(0); message = message + "\nThe author of the first one is: " + annot.Author; } MessageBox.Show(message, "GdViewer.GetAnnotationCount");