dev_close_window — Close the active graphics window.
dev_close_window( : : : )
dev_close_window closes the active graphics window which has
been opened by
dev_open_window, a suitable menu entry, or
automatically by HDevelop itself at program start or after loading a new
program (default 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_window or by
Activate button in the tool bar of the selected
Using the code export feature of HDevelop, the code that is generated
for this operator may have a different behavior than the related
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
General Aspects of Code Generation
* 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)
dev_close_window returns always 2 (H_MSG_TRUE).