Compatibility with Personal Communications 4.1 for Windows 3.1
This appendix describes the compatibility between EHLLAPI/DDE of Personal Communications for Windows 2000 and Windows XP and that for Windows 3.1.
The EHLLAPI of Personal Communications for Windows 2000 and Windows XP is different from that for
Windows 3.1 in the following ways:
- The entry point name hllapiw that is provided by Personal Communications for Windows 3.1 is not supported.
- The event object is newly supported for the asynchronous mode of the notification used by Start Close Intercept (41), Start Host Notification (23), Read Structured Fields (126) and Write Structured Fields (127). It can be used by 32-bit applications for Windows 2000 or Windows XP.
The DDE of Personal Communications for Windows 2000 and Windows XP is different from that for
Windows 3.1 in the following ways:
- Code conversion is not supported; use an appropriate API on Personal Communications for EBCDIC/ASCII conversion.
- The application name IBM3270 or IBM5250 is for 16-bit applications. IBM327032 and IBM525032 are for 32-bit applications.