detach_drawing_object_from_windowT_detach_drawing_object_from_windowDetachDrawingObjectFromWindowDetachDrawingObjectFromWindowdetach_drawing_object_from_window (算子)
名称
detach_drawing_object_from_windowT_detach_drawing_object_from_windowDetachDrawingObjectFromWindowDetachDrawingObjectFromWindowdetach_drawing_object_from_window — 从 HALCON 窗口中分离现有图形对象。
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.
执行信息
- 多线程类型：可重入（与非独占算子并行运行）。
- 多线程作用域：全局（可从任何线程调用）。
- 未采用并行化处理。
参数
WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (输入控制) window → HWindow, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
窗口句柄。
DrawHandleDrawHandleDrawHandleDrawHandledrawHandledraw_handle (输入控制) drawing_object → HDrawingObject, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
绘图对象的句柄。
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.否则将抛出异常。
可能的前趋
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
可能的后继
close_windowclose_windowCloseWindowCloseWindowCloseWindowclose_window,
clear_drawing_objectclear_drawing_objectClearDrawingObjectClearDrawingObjectClearDrawingObjectclear_drawing_object
另见
attach_drawing_object_to_windowattach_drawing_object_to_windowAttachDrawingObjectToWindowAttachDrawingObjectToWindowAttachDrawingObjectToWindowattach_drawing_object_to_window
模块
基础