queueName

Set the name to show in the print queue.
[read/write property] queueName([out, retval] BSTR *name) queueName([in] BSTR name)
This function sets the name to show in the print queue.

resetParams resets this to its default value, which is to use the PDF file name.

VB6:
pdf.queueName = "report 123"
resetParams