Call Parameters
  Standard Interface Enhanced Interface
Function Number Must be 52
Data String See the following table
Length Must be 2 Must be 8
PS Position NA

The calling data string can contain:
Byte Definition
Standard Enhanced  
1 1 One of the following values:
  • The 1-letter short name of the presentation space.
  • A blank or null indicating a function call for the host-connected presentation space.
2–4 Reserved
2 5 One of the following characters:
  • A for accepted keystroke.
  • R for rejected keystroke.
6–8 Reserved.