This Subprogram allows an Application Programmer to remove a previously defined User Cancellation AST Subroutine (via UI_DEFINE_CANCEL_AST) such that it will no longer be called automatically when Cancellation (Ctrl-C) Input is detected.
This Feature only implemented
for VAX/VMS Systems in Text Mode
Short Name Calling Sequence
STATUS = UIDRCA(DUMMY)
Long Name Calling Sequence
STATUS = UI_DROP_CANCEL_AST(...)
Input Arguments
DUMMY (Integer) Dummy Function Argument
Output Arguments
None
Function Value
UI__SUCCESS ) Success UISUCC )
UI__NOT_INITIALIZED ) Package not Initialized UININI )