| dev_clear_obj | Delete an iconic object from the HALCON database. |
| dev_clear_window | Clear the active graphics window. |
| dev_close_inspect_ctrl | Close an inspect window of a control variable. |
| dev_close_window | Close the active graphics window. |
| dev_display | Displays image objects in the current graphics window. |
| dev_error_var | Define or undefine an error variable. |
| dev_get_preferences | Querying of HDevelop preferences by programming. |
| dev_inspect_ctrl | Open a window to inspect a control variable. |
| dev_map_par | Open the dialog to specify the display parameters. |
| dev_map_prog | Make the main window of HDevelop visible. |
| dev_map_var | Map the variable window on the screen. |
| dev_open_window | Open a graphics window. |
| dev_set_check | Specify the error handling. |
| dev_set_color | Set one or more output colors. |
| dev_set_colored | Set multiple output colors. |
| dev_set_draw | Define the region fill mode. |
| dev_set_line_width | Define the line width for region contour output. |
| dev_set_lut | Set “look-up-table” (lut). |
| dev_set_paint | Define the grayvalue output mode. |
| dev_set_part | Modify the displayed image part. |
| dev_set_preferences | Setting of HDevelop preferences by programming. |
| dev_set_shape | Define the region output shape. |
| dev_set_window | Activate a graphics window. |
| dev_set_window_extents | Change position and size of a graphics window. |
| dev_unmap_par | Hide the window for the graphic parameters. |
| dev_unmap_prog | Hide the main window. |
| dev_unmap_var | Hide the variable window. |
| dev_update_pc | Specify the behaviour of the PC during program execution. |
| dev_update_time | Switch time measurement for operators on or off. |
| dev_update_var | Specify the behaviour of the variable window during program execution. |
| dev_update_window | Specify the output behaviour during program execution. |