Add XMP Array Property (Bag, Seq, or Alt)

Visual Basic example program to add an array property to an XMP.

    ' Add an array property to an XMP
    
    ' Create an instance of the XMP ActiveX and unlock it.
    Dim xmp As New ChilkatXmp
    success = xmp.UnlockComponent("anything for 30 day trial")
    If (success = 0) Then
        MsgBox "Failed to unlock"
        Exit Sub
    End If
    
    ' Load a JPG file.
    success = xmp.LoadAppFile("IndependantPhotographer-Example.jpg")
     If (success = 0) Then
        MsgBox xmp.LastErrorText
        Exit Sub
    End If
   
   ' Get the 1st (and only) XMP in this JPG.
    Dim xml As ChilkatXml
    Set xml = xmp.GetEmbedded(0)
    If (xml Is Nothing) Then
        MsgBox xmp.LastErrorText
        Exit Sub
    End If
        
    Dim sa As New CkStringArray
    sa.Append "chilkat"
    sa.Append "ActiveX"
    sa.Append "XMP"
    sa.Append "component"
    sa.Append "software"
    
    ' Add the array as a Bag named "extraStuff"
    xmp.AddArray xml, "bag", "dc:extraStuff", sa
    
    ' Save the XML to verify that the dc:extraStuff array was added.
    xml.SaveXml "out.xml"
    
    ' Save the JPG with the dc:extraStuff added.
    xmp.SaveAppFile "out.jpg"