Remove XMP Structure Field

Removes a single field within a structure property.

    ' Remove a field from a structure.
    
    ' 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
    
    ' Remove the Iptc4xmpCore:CiAdrCity property within the
    ' Iptc4xmpCore:CreatorContactInfo structure.
    xmp.RemoveStructProp xml, "Iptc4xmpCore:CreatorContactInfo", "Iptc4xmpCore:CiAdrCity"
    
    ' Save the XML to verify (this line is not necessary and can be removed)
    xml.SaveXml "out.xml"
    
    ' Save the JPG
    xmp.SaveAppFile "out.jpg"