| ESL 3270 Support |
| Introduction |
 | Overview |
| Components of 3270/5250 Support for ESL |
| Connectivity with ESL Using HLLAPI |
| Verifying a Successful Working Connection |
| Using ECS: Required Procedures |
| Declaring the ECS Stimulus Library |
| Using 3270 Emulation for More Than One Application |
| Releasing a Session |
| Sharing the Emulator |
| Using an Additional Server Application |
| Using 3270/5250 Support with ESL |
| Configuring the ESLCMSRV.INI file |
| Overview of the ESLCMSRV.INI file |
| Specifying the HLLAPI DLL Filename |
| Obtaining the Emulator Window Handle |
| Pattern Matching on Window Captions |
| Regular Expressions |
| Specifying a HLLAPI function |
| 3270/5250 Session and Screen Concepts |
| Session Names |
| Session States |
| Field-Oriented and Line-Oriented Screens |
| Characteristics of Field-Oriented (Formatted) Screens |
| Attributes |
| Field Types |
| Color Attribute |
| Character Position |
| Retrieving Field Information |
| ECS Subroutines |
| Overview |
| Reading Information from the Screen |
| Writing to the Screen |
| Controlling the Emulator Window |
| Synchronizing with the Host |
| Defining Your Watch Criteria |
| Executing Your Watch |
| ECS Subroutines and ESL Built-in Functions |
| Summary of ECS Subroutines |
| Connecting and Disconnecting Sessions: |
| EcsConnect |
| EcsDisconnect |
| Examining the Buffer: |
| EcsReadField |
| EcsGetFieldCount |
| EcsGetFieldLength |
| EcsGetFieldType |
| EcsReadFieldRowCol |
| EcsGetFieldAttribute |
| EcsGetCursorPosition |
| EcsGetFieldNumber |
| EcsGetFieldPosition |
| EcsReadLine |
| EcsGetLastNonBlankLineNumber |
| EcsReadScreen |
| EcsReadColoredScreen |
| Synchronization: |
| EcsClearWatch |
| EcsWatchForScreenSize |
| EcsWatchForCursorAt |
| EcsWatchForCursorNotAt |
| EcsWatchForIIOff |
| EcsWatchForStringAt |
| EcsWatchForStringNotAt |
| EcsWatch |
| EcsWatchAndWait |
| Communicating with the Host: |
| EcsSetAutoWait |
| EcsPressKey |
| EcsPressENTER |
| EcsTypeString |
| EcsEnterString |
| EcsWriteField |
| EcsWriteFieldRowCol |
| Controlling the Emulator Window: |
| EcsSetEmulatorWindow |
| EcsEmulate |
| EcsEmulateAndWatch |
| Miscellaneous Subroutines: |
| EcsReStart |
| EcsCheckIndicator |
| EcsGetSessionStatus |
| EcsGetSessionInfo |
| EcsGetError |
| EcsGetCurrentSession |
| Error Handling |
| Using ESCGetError |
| Returning the Host to a Specific Screen |
| Error Messages |
| ECS_E_BADCOMBO (31) |
| ECS_E_BADCOMMAND (30) |
| ECS_E_BADINDICATOR (22) |
| ECS_E_BADKEYCODE (27) |
| ECS_E_BADSCRID (11) |
| ECS_E_BADTIME (28) |
| ECS_E_CANTINIT (9) |
| ECS_E_CANTLOAD (23) |
| ECS_E_ERRORFREE (0) |
| ECS_E_FILLSWITCH (26) |
| ECS_E_FLDATTR (25) |
| ECS_E_FLDNUM (1) |
| ECS_E_INUSE (16) |
| ECS_E_LINENUM (3) |
| ECS_E_MULTWATCH (21) |
| ECS_E_NOERROR (32) |
| ECS_E_NOFLDS (7) |
| ECS_E_NOMEMORY (12) |
| ECS_E_NOSTATUS (24) |
| ECS_E_NOTAVAIL (13) |
| ECS_E_NOTCONN (14) |
| ECS_E_NOTINIT (17) |
| ECS_E_NOT3270SESSION (19) |
| ECS_E_PROTFLD (2) |
| ECS_E_ROWCOL (5) |
| ECS_E_SCRIDFILE (10) |
| ECS_E_SCRNAREA (4) |
| ECS_E_SENDKEY (6) |
| ECS_E_SESSNAME (15) |
| ECS_E_WATCH (8) |
| ECS_E_WATCHSTRING (29) |
| ECS_E_WRONGKEY (18) |
| Reserved Variables and Constants |
| Global Variables |
| Reserved Constants |
| Sample Programs and 3270/5250 Screens |
| Sample 3270/5250 Screen "A" |
| Sample 3270/5250 Screen "B" |
| Sample Program |
| Watch Command String Code |
| Managing the Watch Command Strings in a Text File |
| Building ECS Watch Commands |
| Reading Watch Command Strings into an ESL Program |
| EcsWatchAndWait Code Segment |
| Host Field Validation Code Sample |
| FAQs |
| Q1 How Do I use an emulator with more than one application? |
| Q2 How do I configure a Windows 3270/5250 Workstation ? |
| Q3 What does Error 13 from EcsEmulate in Windows mean? |
| Q4 How can I extend ESL's 3270 Functionality: Watch For String Anywhere? |
| Q5 How can I edit entries in the ESLCMSRV.INI? |
| Q6 Miscellaneous 3270 and 5250 Questions and Answers |
© 2011 ESL Syndetic Ltd.