detach_drawing_object_from_windowT_detach_drawing_object_from_windowDetachDrawingObjectFromWindowDetachDrawingObjectFromWindowdetach_drawing_object_from_window (算子名称)
名称
detach_drawing_object_from_windowT_detach_drawing_object_from_windowDetachDrawingObjectFromWindowDetachDrawingObjectFromWindowdetach_drawing_object_from_window — Detach an existing drawing object from a HALCON window.
参数签名
描述
This operator can be used to detach the drawing object DrawHandleDrawHandleDrawHandleDrawHandledrawHandledraw_handle from
the HALCON window WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle to which it is currently attached.
The drawing object will not longer be displayed in the window.
If a callback function was defined for the drawing object on the
event 'on_detach' or 'on_select' with set_drawing_object_callbackset_drawing_object_callbackSetDrawingObjectCallbackSetDrawingObjectCallbackSetDrawingObjectCallbackset_drawing_object_callback this
will also be called.
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.
DrawHandleDrawHandleDrawHandleDrawHandledrawHandledraw_handle (input_control) drawing_object → HDrawingObject, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
Handle of the drawing object.
结果
detach_drawing_object_from_windowdetach_drawing_object_from_windowDetachDrawingObjectFromWindowDetachDrawingObjectFromWindowDetachDrawingObjectFromWindowdetach_drawing_object_from_window returns 2 (
H_MSG_TRUE)
, if the
DrawHandleDrawHandleDrawHandleDrawHandledrawHandledraw_handle and WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle are valid. Otherwise an exception
is raised.
可能的前置算子
attach_drawing_object_to_windowattach_drawing_object_to_windowAttachDrawingObjectToWindowAttachDrawingObjectToWindowAttachDrawingObjectToWindowattach_drawing_object_to_window,
get_drawing_object_iconicget_drawing_object_iconicGetDrawingObjectIconicGetDrawingObjectIconicGetDrawingObjectIconicget_drawing_object_iconic,
get_drawing_object_paramsget_drawing_object_paramsGetDrawingObjectParamsGetDrawingObjectParamsGetDrawingObjectParamsget_drawing_object_params
可能的后置算子
close_windowclose_windowCloseWindowCloseWindowCloseWindowclose_window,
clear_drawing_objectclear_drawing_objectClearDrawingObjectClearDrawingObjectClearDrawingObjectclear_drawing_object
参考其它
attach_drawing_object_to_windowattach_drawing_object_to_windowAttachDrawingObjectToWindowAttachDrawingObjectToWindowAttachDrawingObjectToWindowattach_drawing_object_to_window
模块
Foundation