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The graPHIGS Programming Interface : Subroutine Reference

GPGTCH - Get Choice

GPGTCH (choice)

Purpose

Use GPGTCH to retrieve a choice input value from the current event report. The device to which this value corresponds was identified on the previous invocation of the Await Event (GPAWEV) subroutine. The event is not removed from the current event report until the next invocation of GPAWEV

Parameters

choice -- returned by the graPHIGS API, fullword integer

Choice value of event in current event report.

Error Codes

150
GET FUNCTION DOES NOT MATCH CURRENT EVENT CLASS
519
NO CURRENT EVENT REPORT AVAILABLE

Related Subroutines

GPAWEV
Await Event

RCP code

201336068 (X'0C002504')

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