XMP Array Property - Bag, Seq, or Alt

Download Chilkat XML ActiveX

How to insert or update an XMP array property (bag, seq, or alt).

Dim xmp As New ChilkatXmp

Dim success As Long

success = xmp.UnlockComponent("Anything for 30-day trial.")
If (success <> 1) Then
    MsgBox xmp.LastErrorText
    Exit Sub
End If

'  Load a JPG or TIF image file.
'  Sample JPG's with XMP metadata may be found at:
'  http://www.chilkatsoft.com/testData/xmp/sample1.jpg
'  http://www.chilkatsoft.com/testData/xmp/sample2.jpg
'  http://www.chilkatsoft.com/testData/xmp/sample3.jpg
success = xmp.LoadAppFile("sample1.jpg")
If (success <> 1) Then
    MsgBox xmp.LastErrorText
    Exit Sub
End If

Text1.Text = Text1.Text & "Num embedded XMP docs: " _
     & xmp.NumEmbedded & vbCrLf

'  Assuming there is at least one, get the 1st.
'  (There is typically never more than one, but theoretically it's possible.)
Dim xml As ChilkatXml
Set xml = xmp.GetEmbedded(0)
If (Not (xml Is Nothing )) Then

    '  Create an object to hold one or more string values.
    Dim sa As New CkStringArray
    sa.Append "value_1"
    sa.Append "value_2"
    '  ...

    success = xmp.AddArray(xml,"bag","Iptc4xmpCore:Chilkat",sa)
    If (success <> 1) Then
        MsgBox xmp.LastErrorText
    Else
        '  Save the JPG.
        xmp.SaveAppFile = xmp S ("modified.jpg")

    End If

Else
    MsgBox xmp.LastErrorText
End If