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dev_set_windowdev_set_windowDevSetWindowdev_set_windowDevSetWindowDevSetWindow (Operator)

Name

dev_set_windowdev_set_windowDevSetWindowdev_set_windowDevSetWindowDevSetWindow — Activate a graphics window.

Signature

dev_set_window( : : WindowHandle : )

Herror dev_set_window(const Hlong WindowHandle)

Herror T_dev_set_window(const Htuple WindowHandle)

Herror dev_set_window(const HTuple& WindowHandle)

void HWindow::DevSetWindow() const

void DevSetWindow(const HTuple& WindowHandle)

void HWindow::DevSetWindow() const

void HOperatorSetX.DevSetWindow([in] VARIANT WindowHandle)

void HWindowX.DevSetWindow()

static void HOperatorSet.DevSetWindow(HTuple windowHandle)

void HWindow.DevSetWindow()

Description

dev_set_windowdev_set_windowDevSetWindowdev_set_windowDevSetWindowDevSetWindow 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

WindowHandleWindowHandleWindowHandleWindowHandleWindowHandlewindowHandle (input_control)  window HWindow, HTupleHTupleHTupleHWindowX, VARIANTHtuple (integer) (IntPtr) (Hlong) (Hlong) (Hlong) (Hlong)

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_windowdev_set_windowDevSetWindowdev_set_windowDevSetWindowDevSetWindow returns 2 (H_MSG_TRUE). Otherwise an exception is raised and an error code returned.

Possible Predecessors

dev_open_windowdev_open_windowDevOpenWindowdev_open_windowDevOpenWindowDevOpenWindow

Possible Successors

dev_displaydev_displayDevDisplaydev_displayDevDisplayDevDisplay

Module

Foundation


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