query_spy — Inquiring for possible settings of the HALCON debugging tool.
The operator query_spy returns all possible settings of spy, the HALCON debugging tool, i.e. all the available control modes (Classes) as well as the corresponding possible ways of setting (Values). For a more detailed description of spy see operator set_spy.
The values of Values cannot be used as direct input for set_spy, as they are transmitted as a symbolic constant.
Available control modes (see also set_spy).
Corresponding state of the control modes.
query_spy always returns the value 2 (H_MSG_TRUE).