Operators |
dev_set_window — Activate a graphics window.
dev_set_window( : : WindowHandle : )
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.
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.
Window handle.
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)
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.
Foundation
Operators |