halcon中flush_buffer刷新界面

read_image (Image, 'printer_chip/printer_chip_01')

threshold (Image, Region, 128, 255)

dev_open_window (0, 0, 512, 512, 'black', WindowHandle)

set_window_param (WindowHandle, 'flush', 'false')

dev_display (Image)

dev_display (Region)

disp_text (WindowHandle, 'Result of threshold', 'window', \

           12, 12, 'black', [], [])

* nothing is displayed until flush_buffer is called

flush_buffer (WindowHandle)