reload thumbnails after switching receivers

EnvelopeGenerator.Form/frmFieldEditor.vb

@@ -62,11 +62,9 @@ Partial Public Class frmFieldEditor
             For Each oReceiver In Receivers
                 LoadAnnotations(oReceiver.Id)
             Next
-            'LoadAnnotations(SelectedReceiver.Id)
             GDViewer.DisplayFirstPage()
 
             ThumbnailEx2.LoadFromGdViewer(GDViewer)
-            ThumbnailEx2.Refresh()
         End If
     End Sub
 
@@ -76,6 +74,9 @@ Partial Public Class frmFieldEditor
 
         If DocumentViewer1.PdfViewer IsNot Nothing Then
             GDViewer = DocumentViewer1.PdfViewer
+            AddHandler GDViewer.BeforeAnnotationAddedByUser, AddressOf Viewer_BeforeAnnotationAddedByUser
+            AddHandler GDViewer.AnnotationAddedByUser, AddressOf Viewer_AnnotationAddedByUser
+
             Manager = GDViewer.GetAnnotationManager()
             Manager.InitFromGdViewer(GDViewer)
         Else
@@ -95,8 +96,6 @@ Partial Public Class frmFieldEditor
         Return oItem
     End Function
 
-
-
     Private Sub ReceiverItem_Click(sender As Object, e As ItemClickEventArgs)
         Me.SuspendLayout()
 
@@ -122,6 +121,8 @@ Partial Public Class frmFieldEditor
             DisplayPage(oCurrentPage)
             GDViewer.SetVScrollBarPosition(oCurrentPosition)
             GDViewer.Redraw()
+            ThumbnailEx2.ReloadThumbnails()
+
             TestViewerActionSuccessful("ReceiverItem_Click/Redraw")
         Else
             MsgBox(Resources.Envelope.Elements_could_not_be_saved, MsgBoxStyle.Critical, Text)
@@ -144,22 +145,16 @@ Partial Public Class frmFieldEditor
         GDViewer.LockViewer = False
     End Sub
 
-
     Private Sub BarButtonItem1_ItemClick(sender As Object, e As ItemClickEventArgs) Handles BarButtonItem1.ItemClick
         If GDViewer IsNot Nothing Then
-
-            AddHandler GDViewer.BeforeAnnotationAddedByUser, AddressOf Viewer_BeforeAnnotationAddedByUser
-            AddHandler GDViewer.AnnotationAddedByUser, AddressOf Viewer_AnnotationAddedByUser
-
             GDViewer.AddStickyNoteAnnotationInteractive(SIGNATURE_LABEL, Color.Black, "Arial", FontStyle.Regular, 10, 1, 0)
-
-
         End If
     End Sub
 
     Private Sub Viewer_BeforeAnnotationAddedByUser(pAnnotationIdx As Integer)
         Dim oAnnotation As Annotation = GDViewer.GetAnnotationFromIdx(pAnnotationIdx)
         ApplyAnnotationStyleForNewAnnotation(oAnnotation, SelectedReceiver.Color)
+
     End Sub
 
     Private Sub btnSave_ItemClick(sender As Object, e As ItemClickEventArgs) Handles btnSave.ItemClick