(Lianja) XMP Array Property - Bag, Seq, or Alt

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

Chilkat Lianja Extension Download Chilkat Lianja Extension

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loXmp = createobject("CkXmp")

// 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
llSuccess = loXmp.LoadAppFile("sample1.jpg")
if (llSuccess <> .T.) then
    ? loXmp.LastErrorText
    release loXmp
    return
endif

? "Num embedded XMP docs: " + str(loXmp.NumEmbedded)

// Assuming there is at least one, get the 1st.
// (There is typically never more than one, but theoretically it's possible.)

loXml = loXmp.GetEmbedded(0)
if (loXmp.LastMethodSuccess = .T.) then

    // Create an object to hold one or more string values.
    loSa = createobject("CkStringArray")
    llSuccess = loSa.Append("value_1")
    llSuccess = loSa.Append("value_2")
    // ...

    llSuccess = loXmp.AddArray(loXml,"bag","Iptc4xmpCore:Chilkat",loSa)
    if (llSuccess <> .T.) then
        ? loXmp.LastErrorText
    else
        // Save the JPG.
        llSuccess = loXmp.SaveAppFile("modified.jpg")
        if (llSuccess <> .T.) then
            ? loXmp.LastErrorText
        endif

    endif

    release loXml

else
    ? loXmp.LastErrorText
endif



release loXmp
release loSa