dev_set_window🔗
Short description🔗
dev_set_window — Activate a graphics window.
Signature🔗
dev_set_window( window WindowHandle )
Description🔗
dev_set_window activates the graphics window with the passed
window handle.
This is equivalent to pressing the Active button in the tool bar
of the graphics window.
Attention🔗
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.
Parameters🔗
WindowHandle (input_control) window → (handle)
Window handle.
Example🔗
(HDevelop)
dev_open_window (1, 1, 200, 200, 'black', WindowID1)
dev_open_window (1, 220, 200, 200, 'black', WindowID2)
read_image(Image,'monkey')
dev_set_window(WindowID1)
dev_display(Image)
dev_set_window(WindowID2)
dev_display(Image)
Result🔗
If the values of the specified parameters are correct,
dev_set_window returns 2 (H_MSG_TRUE). Otherwise, an
exception is raised and an error code returned.
Combinations with other operators🔗
Module🔗
Foundation