detach_background_from_windowT_detach_background_from_windowDetachBackgroundFromWindowDetachBackgroundFromWindowdetach_background_from_window (算子名称)
名称
detach_background_from_windowT_detach_background_from_windowDetachBackgroundFromWindowDetachBackgroundFromWindowdetach_background_from_window — Detach the background image from a HALCON window.
参数签名
Herror T_detach_background_from_window(const Htuple WindowHandle)
def detach_background_from_window(window_handle: HHandle) -> None
描述
This operator detaches the background image that was previously attached
with attach_background_to_windowattach_background_to_windowAttachBackgroundToWindowAttachBackgroundToWindowAttachBackgroundToWindowattach_background_to_window from the HALCON window
defined in WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle.
Thus the background of the window will be cleared.
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。
参数表
WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (input_control) window → HWindow, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
Window handle.
结果
If the window exists and the specified parameters are correct
detach_background_from_windowdetach_background_from_windowDetachBackgroundFromWindowDetachBackgroundFromWindowDetachBackgroundFromWindowdetach_background_from_window returns 2 (
H_MSG_TRUE)
. If necessary an
exception is raised.
可能的前置算子
attach_background_to_windowattach_background_to_windowAttachBackgroundToWindowAttachBackgroundToWindowAttachBackgroundToWindowattach_background_to_window
模块
Foundation