User`s guide
xiv Contents
Prerequisite Calls
Most Windows HLLAPI functions require a prerequisite callanother function that must be called and
successfully completed before the desired call can be issued. The following table lists the Windows
HLLAPI functions and their prerequisite calls. “None” indicates that the function has no prerequisite
call.
Function (Function Number) Prerequisite Call (Function Number)
Connect Presentation Space (1) None
Disconnect Presentation Space (2) Connect Presentation Space (1)
Send Key (3) Connect Presentation Space (1)
Wait (4) Connect Presentation Space (1)
Copy Presentation Space (5) Connect Presentation Space (1)
Search Presentation Space (6) Connect Presentation Space (1)
Query Cursor Location (7) Connect Presentation Space (1)
Copy Presentation Space to String (8) Connect Presentation Space (1)
Set Session Parameters (9) None
Query Sessions (10) None
Reserve (11) Connect Presentation Space (1)
Release (12) Connect Presentation Space (1)
Copy OIA (13) Connect Presentation Space (1)
Query Field Attribute (14) Connect Presentation Space (1)
Copy String to Presentation Space (15) Connect Presentation Space (1)
Pause (18) None
Query System (20) None
Reset System (21) None
Query Session Status (22) None
Start Host Notification (23) None
Query Host Update (24) Start Host Notification (23)
Stop Host Notification (25) Start Host Notification (23)
Search Field (30) Connect Presentation Space (1)
Find Field Position (31) Connect Presentation Space (1)
Find Field Length (32) Connect Presentation Space (1)
Copy String to Field (33) Connect Presentation Space (1)
Copy Field to String (34) Connect Presentation Space (1)
Set Cursor (40) Connect Presentation Space (1)
Start Close Intercept (41) None
Query Close Intercept (42) Start Close Intercept (41)