HALCON Reference Manual 10.0.2
Table of Contents / Graphics / Window ClassesClassesClasses | | | Operators

clear_windowclear_windowclear_windowClearWindowClearWindow (Operator)

Name

clear_windowclear_windowclear_windowClearWindowClearWindow — Delete an output window.

Signature

clear_window( : : WindowHandle : )

Herror clear_window(const Hlong WindowHandle)

Herror T_clear_window(const Htuple WindowHandle)

Herror clear_window(const HTuple& WindowHandle)

void HWindow::ClearWindow() const

void HOperatorSetX.ClearWindow([in] VARIANT WindowHandle)

void HWindowX.ClearWindow()

static void HOperatorSet.ClearWindow(HTuple windowHandle)

void HWindow.ClearWindow()

Description

clear_windowclear_windowclear_windowClearWindowClearWindow 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_colorset_colorSetColorSetColor, set_paintset_paintset_paintSetPaintSetPaint, etc.) remain unmodified.

Parallelization

Parameters

WindowHandleWindowHandleWindowHandleWindowHandlewindowHandle (input_control)  window HWindow, HTupleHTupleHWindowX, VARIANTHtuple (integer) (IntPtr) (Hlong) (Hlong) (Hlong)

Window identifier.

Example (HDevelop)

clear_window(WindowHandle)

Example (C)

clear_window(WindowHandle) ;

Example (HDevelop)

clear_window(WindowHandle)

Example (HDevelop)

clear_window(WindowHandle)

Example (HDevelop)

clear_window(WindowHandle)

Result

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

Possible Predecessors

open_windowopen_windowopen_windowOpenWindowOpenWindow, open_textwindowopen_textwindowopen_textwindowOpenTextwindowOpenTextwindow

Alternatives

clear_rectangleclear_rectangleclear_rectangleClearRectangleClearRectangle, disp_rectangle1disp_rectangle1disp_rectangle1DispRectangle1DispRectangle1

See also

open_windowopen_windowopen_windowOpenWindowOpenWindow, open_textwindowopen_textwindowopen_textwindowOpenTextwindowOpenTextwindow

Module

Foundation


Table of Contents / Graphics / Window ClassesClassesClasses | | | Operators
HALCON Reference Manual 10.0.2 Copyright © 1996-2011 MVTec Software GmbH