Operator Reference

HALCON Operator Reference / Develop

• HDevelop
• .NET
• Python
• C++
• C

ClassesClasses | | Operators

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dev_close_windowdev_close_windowDevCloseWindowDevCloseWindowdev_close_window (Operator)

dev_close_windowdev_close_windowDevCloseWindowDevCloseWindowdev_close_window — Close the active floating graphics window.

Signature

dev_close_window( : : : )

Herror dev_close_window()

Herror T_dev_close_window()

void DevCloseWindow()

static void HWindow::DevCloseWindow()

static void HOperatorSet.DevCloseWindow()

static void HWindow.DevCloseWindow()

def dev_close_window() -> None

Description

dev_close_windowdev_close_windowDevCloseWindowDevCloseWindowdev_close_window closes the active floating graphics window.

The operator is equivalent to pressing the Close button in the title bar of the active window or selecting the appropriate menu entry from the Visualization menu.

A graphics window can be activated by calling dev_set_windowdev_set_windowDevSetWindowDevSetWindowdev_set_window or by pressing the Activate button in the tool bar of the selected graphics window.

Attention

This operator only works for single floating graphics windows, i.e., graphics windows that are neither docked nor tabbed.

Using the code export feature of HDevelop, the code that is generated for this operator may have a different behavior than the related HALCON operator. For a detailed description of the code export of HDevelop graphics operators into the different programming languages see in the “HDevelop User's Guide” the chapter Code Export -> General Aspects of Code Generation -> Graphics Windows.

Example (HDevelop)

* close all windows
for i := 1 to 10 by 1
  dev_close_window ()
endfor
read_image (For5, 'for5')
get_image_size (For5, Width, Height)
dev_open_window (0, 0, Width, Height, 'black', WindowHandle)
dev_display (For5)

Result

dev_close_windowdev_close_windowDevCloseWindowDevCloseWindowdev_close_window returns always 2 ( H_MSG_TRUE) .

Possible Predecessors

dev_set_windowdev_set_windowDevSetWindowDevSetWindowdev_set_window, dev_open_windowdev_open_windowDevOpenWindowDevOpenWindowdev_open_window

Possible Successors

dev_open_windowdev_open_windowDevOpenWindowDevOpenWindowdev_open_window, dev_get_windowdev_get_windowDevGetWindowDevGetWindowdev_get_window

See also

close_windowclose_windowCloseWindowCloseWindowclose_window

Module

Foundation

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ClassesClasses | | Operators