Hi,
I tried to set a Value to a PdfComboBoxField in a Pdf-Form:
    
        Code: Visual Basic.NET
        
        Public Function SetzePdfFormularFelder(strPdfVorlageDatei As String,
                                         strPdfAusgabeDatei As String,
                                         dicFelder As Dictionary(Of String, String)
                                        ) As Boolean
    Try
      Dim doc As New PdfDocument(strPdfVorlageDatei)
      For Each fld In doc.Fields
        If dicFelder.ContainsKey(fld.FullName) Then
          fld.Value = dicFelder(fld.FullName)
          fld.Modified()
        End If
      Next
      doc.Save(strPdfAusgabeDatei)
      Return True
    Catch ex As Exception
      ProtokolliereFehler(ex)
      Throw
    End Try
  End Function 
     
 
For all PdfTextField´s it works. But to set the value in an ComboBox will be ignored. So in a second way, I tried
to set the SelectedIndex. But it won´t be saved anymore:
    
        Code: Visual Basic.NET
        
        For Each fld In doc.Fields
  Select Case True
    Case TypeOf fld Is EO.Pdf.PdfComboBoxField
      Dim fldListField As EO.Pdf.PdfComboBoxField
      fldListField = TryCast (fld, EO.Pdf.PdfComboBoxField)
      fldListField.SelectedIndex = 6
      fldListField.Modified()
    Case Else
      fld.Value = dicFelder(fld.FullName)
      fld.Modified()
End Select 
     
 
I tried the same with an other library from a other manufacturer with that same PDF and it works.
The librarys, I tried are EO.Total.2019.0.83.0.msi and EO.Total.2019.1.25.0.msi.
Best regards
Josh