Available in LEADTOOLS Document and Medical Imaging toolkits.
AnnSetSecondaryBitmap example for Visual Basic
LEAD1.AnnSetSecondaryBitmap hPushPin, LEAD2.Bitmap, False LEAD1.AnnUserMode = ANNUSERMODE_RUN MsgBox "secondary bitmap set" LEAD1.Bitmap = LEAD1.AnnGetSecondaryBitmap (hPushPin)