Test for Input

This Subprogram allows a Programmer to test whether asynchronous Input has been received.

Short Name Calling Sequence

STATUS = UITSIN(DUMMY)

Long Name Calling Sequence

STATUS = UI_TEST_INPUT(...)

Input Arguments

DUMMY (Integer) Dummy Function Argument

Output Arguments

None

Function Value

UI__SUCCESS ) Input Received UISUCC )

UI__NO_INPUT ) Input not Received UINOIN )

Note:

1. If UIPACK is in Synchronous Mode when this Function is executed, then UI__SUCCESS will be returned to the caller if some text remains in the type-ahead buffer or UI__NO_INPUT if the type-ahead buffer is empty.