Operator Reference
close_all_framegrabbers (Operator)
close_all_framegrabbers
— This operator is inoperable. It had the following function:
Close all image acquisition devices.
Warning
close_all_framegrabbers
is obsolete, inoperable, and is only
provided for reasons of backward compatibility. New applications should not
use close_all_framegrabbers
, the operator will be removed in future
versions.
Signature
close_all_framegrabbers( : : : )
Description
.
Attention
close_all_framegrabbers
exists solely for the purpose of
implementing the “reset program” functionality in HDevelop.
close_all_framegrabbers
must not be used in any
application.
Execution Information
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Processed without parallelization.
Result
If it is possible to close all image acquisition devices, the operator
close_all_framegrabbers
returns the value 2 (
H_MSG_TRUE)
. Otherwise an
exception is raised.
Module
Foundation