query_spy — 查询 HALCON 调试工具的可能设置。
算子 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.
Classes (输出控制) string-array → (string)
Available control modes (see also set_spy).
Values (输出控制) string-array → (string)
Corresponding state of the control modes.
query_spy 始终返回值 2 ( H_MSG_TRUE )。
基础