set_window_dcset_window_dcSetWindowDcset_window_dcSetWindowDcSetWindowDc (Operator)

Name

set_window_dcset_window_dcSetWindowDcset_window_dcSetWindowDcSetWindowDc — Set the device context of a virtual graphics window (Windows NT).

Signature

Description

set_window_dcset_window_dcSetWindowDcset_window_dcSetWindowDcSetWindowDc sets the device context of a window previously opened with new_extern_windownew_extern_windowNewExternWindownew_extern_windowNewExternWindowNewExternWindow. All output (disp_regiondisp_regionDispRegiondisp_regionDispRegionDispRegion, disp_imagedisp_imageDispImagedisp_imageDispImageDispImage, etc.) is done in the window with this device context.

The parameter WINHDCWINHDCWINHDCWINHDCWINHDCWINHDC contains the device context of the window in which HALCON should output its data. This device context is used in all output routines of HALCON.

Attention

The window WindowHandleWindowHandleWindowHandleWindowHandleWindowHandlewindowHandle has to be created with new_extern_windownew_extern_windowNewExternWindownew_extern_windowNewExternWindowNewExternWindow beforehand.

Parallelization

• Multithreading type: reentrant (runs in parallel with non-exclusive operators).
• Multithreading scope: global (may be called from any thread).
• Processed without parallelization.

Parameters

Result

If the values of the specified parameters are correct, set_window_dcset_window_dcSetWindowDcset_window_dcSetWindowDcSetWindowDc returns 2 (H_MSG_TRUE). If necessary, an exception is raised.

Possible Predecessors

new_extern_windownew_extern_windowNewExternWindownew_extern_windowNewExternWindowNewExternWindow

Possible Successors

disp_imagedisp_imageDispImagedisp_imageDispImageDispImage, disp_regiondisp_regionDispRegiondisp_regionDispRegionDispRegion

See also

new_extern_windownew_extern_windowNewExternWindownew_extern_windowNewExternWindowNewExternWindow, disp_regiondisp_regionDispRegiondisp_regionDispRegionDispRegion, disp_imagedisp_imageDispImagedisp_imageDispImageDispImage, disp_colordisp_colorDispColordisp_colorDispColorDispColor, set_lutset_lutSetLutset_lutSetLutSetLut, query_colorquery_colorQueryColorquery_colorQueryColorQueryColor, set_colorset_colorSetColorset_colorSetColorSetColor, set_rgbset_rgbSetRgbset_rgbSetRgbSetRgb, set_hsiset_hsiSetHsiset_hsiSetHsiSetHsi, set_pixelset_pixelSetPixelset_pixelSetPixelSetPixel, set_grayset_graySetGrayset_graySetGraySetGray, set_partset_partSetPartset_partSetPartSetPart, set_part_styleset_part_styleSetPartStyleset_part_styleSetPartStyleSetPartStyle, query_window_typequery_window_typeQueryWindowTypequery_window_typeQueryWindowTypeQueryWindowType, get_window_typeget_window_typeGetWindowTypeget_window_typeGetWindowTypeGetWindowType, set_window_typeset_window_typeSetWindowTypeset_window_typeSetWindowTypeSetWindowType, get_mpositionget_mpositionGetMpositionget_mpositionGetMpositionGetMposition, set_tpositionset_tpositionSetTpositionset_tpositionSetTpositionSetTposition, set_window_extentsset_window_extentsSetWindowExtentsset_window_extentsSetWindowExtentsSetWindowExtents, get_window_extentsget_window_extentsGetWindowExtentsget_window_extentsGetWindowExtentsGetWindowExtents, set_window_attrset_window_attrSetWindowAttrset_window_attrSetWindowAttrSetWindowAttr, set_checkset_checkSetCheckset_checkSetCheckSetCheck, set_systemset_systemSetSystemset_systemSetSystemSetSystem

Module

Foundation