clear_windowT_clear_windowClearWindowClearWindowclear_window (Operator)

名称

clear_windowT_clear_windowClearWindowClearWindowclear_window — 删除输出窗口的内容。

签名

描述

clear_windowclear_windowClearWindowClearWindowClearWindowclear_window deletes all entries in the output window. The window (background and edge) is reset to its original state. Parameters assigned to this window (e.g., with set_colorset_colorSetColorSetColorSetColorset_color, set_paintset_paintSetPaintSetPaintSetPaintset_paint, etc.) remain unmodified.

执行信息

• Multithreading type: reentrant (runs in parallel with non-exclusive operators).
• Multithreading scope: global (may be called from any thread).
• Processed without parallelization.

参数

结果

If the output window is valid clear_windowclear_windowClearWindowClearWindowClearWindowclear_window returns 2 ( H_MSG_TRUE) . If necessary an exception is raised.

可能的前置算子

open_windowopen_windowOpenWindowOpenWindowOpenWindowopen_window

替代算子

clear_rectangleclear_rectangleClearRectangleClearRectangleClearRectangleclear_rectangle, disp_rectangle1disp_rectangle1DispRectangle1DispRectangle1DispRectangle1disp_rectangle1

另见

open_windowopen_windowOpenWindowOpenWindowOpenWindowopen_window

模块

Foundation