loadURLWithPassword

Load a PDF file via a URL, with a password.
loadURLWithPassword([in] BSTR url, [in] BSTR password)
This function loads a PDF file from a URL, applying the specified password. It must be called before any of the other functions that access the PDF file.

The loadURLWithPassword function throws an error if the PDF file cannot be opened.

VB6:
Dim stream As IStream ... pdf.loadURLWithPassword "http://......", "secret"
loadFile
loadFileWithPassword
loadStream
loadStreamWithPassword
loadURL
closeFile