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WinHLLAPI

Definitions

WinHLLAPI Windows High Level Language Application Programming Interface. WinHLLAPI is based on IBM's EHLLAPI specification. WinHLLAPI includes the EHLLAPI facilities and also includes Windows-specific extensions that allow the programmer to take advantage of the message-driven nature of Windows. WinHLLAPI is part of Microsoft's Windows Open Systems Architecture (WOSA). The current WinHLLAPI specification is version 1.1. This specification was developed in 1993 by Microsoft Corporation, Digital Communications Associates, Inc., Attachmate Corporation, Wall Data Incorporated, Synapse Communications, and NetSoft.
EHLLAPI Extended High Level Language Application Programming Interface.  Terminal emulation API developed by IBM. 

Overview

The purpose of WinHLLAPI is to allow applications to communicate with a host computer much like a user at a 3270, 5250 or VT100 terminal. Telnet Magic provides the connection and communication with the host computer.  Your application can send commands to the host computer and receive data back from the host computer all via WinHLLAPI. Here are some applications for WinHLLAPI. 

  • Automate connection and logon procedures.
  • Allow unattended file transfer or data processing during off hours.
  • Combine data from multiple hosts.
  • Develop customized user interfaces for mainframe applications. 

Telnet Magic WinHLLAPI supports most of the functions in the Windows HLLAPI Version 1.1 specification. See WinHLLAPI Unsupported Functions in the Telnet Magic Help file for a list of functions that Telnet Magic does not support.

How WinHLLAPI Works

Your application needs to load the Whllapi.dll distributed with Telnet Magic. Once this is done, your application may call the Whllapi.dll functions to send data to, or receive data from, the host computer. Whllapi.dll is an extension of Telnet Magic and it uses Telnet Magic to send data to, or receive data from, the host computer.

Sample Programs

Sample WinHLLAPI programs can be found on our customer downloads page.

  
 

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