Sample to convert multipage tif image to multimage pdf with Visual Basic and GdPicture ActiveX
Dim Imaging As Object
Dim nTiffImage As Long
Set Imaging = CreateObject("gdpicturepro5.imaging")
Imaging.SetLicenseNumber ("0012345678910111213141516") 'Demo license key
nTiffImage = Imaging.CreateImageFromFile ("multipage_tif.tif")
Call Imaging1.PdfCreateFromMultipageTIFF(nTiffImage, "multipage.pdf")
Imaging.CloseImage(nTiffImage)