Add XMP MetaData to JPG or TIFF

Demonstrates how to add XMP metadata to a JPG or TIFF image that doesn't already have XMP metadata.

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Dim xmp As New Chilkat.Xmp()

Dim success As Boolean

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


Dim xml As Chilkat.Xml

'  The first step is to create a new XMP document, which is nothing
'  more than XML.  The NewXmp method returns an XML document with
'  the standard XMP boilerplate.
xml = xmp.NewXmp()

'  Add some properties...
success = xmp.AddSimpleStr(xml,"Iptc4xmpCore:Chilkat","Blah blah")
'  If you wish to view the XML, save it to a file and review it
'  with a text editor:
success = xml.SaveXml("newXmp.xml")
If (success <> true) Then
    MsgBox(xml.LastErrorText)
    Exit Sub
End If


'  To add the XMP to the JPG (or TIFF), simply load the JPG,
'  append the XMP, and save:
success = xmp.LoadAppFile("scream.jpg")
If (success <> true) Then
    MsgBox(xmp.LastErrorText)
    Exit Sub
End If

success = xmp.Append(xml)
If (success <> true) Then
    MsgBox(xmp.LastErrorText)
    Exit Sub
End If

success = xmp.SaveAppFile("screamOut.jpg")
If (success <> true) Then
    MsgBox(xmp.LastErrorText)
    Exit Sub
End If