close_all_framegrabbersclose_all_framegrabbersCloseAllFramegrabbersCloseAllFramegrabbersclose_all_framegrabbers (算子名称)

名称

close_all_framegrabbersclose_all_framegrabbersCloseAllFramegrabbersCloseAllFramegrabbersclose_all_framegrabbers — This operator is inoperable. It had the following function: Close all image acquisition devices.

警告

close_all_framegrabbersclose_all_framegrabbersCloseAllFramegrabbersCloseAllFramegrabbersCloseAllFramegrabbersclose_all_framegrabbers is obsolete, inoperable, and is only provided for reasons of backward compatibility. New applications should not use close_all_framegrabbersclose_all_framegrabbersCloseAllFramegrabbersCloseAllFramegrabbersCloseAllFramegrabbersclose_all_framegrabbers, 该算子 will be removed in future versions.

参数签名

描述

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注意

close_all_framegrabbersclose_all_framegrabbersCloseAllFramegrabbersCloseAllFramegrabbersCloseAllFramegrabbersclose_all_framegrabbers exists solely for the purpose of implementing the “reset program” functionality in HDevelop. close_all_framegrabbersclose_all_framegrabbersCloseAllFramegrabbersCloseAllFramegrabbersCloseAllFramegrabbersclose_all_framegrabbers must not be used in any application.

运行信息

• 多线程类型:可重入(与非独占操作符并行运行)。
• 多线程作用域:全局(可以从任何线程调用)。
• 未经并行化处理。

结果

If it is possible to close all image acquisition devices, 该算子 close_all_framegrabbersclose_all_framegrabbersCloseAllFramegrabbersCloseAllFramegrabbersCloseAllFramegrabbersclose_all_framegrabbers 返回值 2 ( H_MSG_TRUE) . Otherwise an exception is raised.

模块

Foundation