PASSPORT Knowledge Base
HLLAPI

Date Published: March 2, 2010

Title

Migrating Legacy HLLAPI Applications Written For Other Emulator

Product

PASSPORT PC to Host, PASSPORT Web to Host

Emulation Types

TN3270, TN5250, VT, SCO ANSI, Wyse 60

Issue

How can a legacy HLLAPI application written for another terminal emulator be migrated for use with PASSPORT?

Solution

The HLLAPI DLL provided by PASSPORT is named PassHll.dll. If your legacy HLLAPI application was written to call a specific HLLAPI DLL (i.e. ehlapi32) for another terminal emulator, follow the steps below to migrate for use with PASSPORT:

1. Copy PassHll.dll to the same directory as ehlapi32.dll
2. Rename ehlapi32.dll  to ehlapi32_old.dll
3. Rename PassHll.dll to ehlapi32.dll

The HLLAPI application should now be able to successfully use the renamed PASSPORT HLLAPI DLL.  

Open a case on the Rocket Customer Portal if you're still not able to get your HLLAPI working after following the steps above.

More Information

• HLLAPI Function Calls

Keywords

hllapi, legacy, application, migrated