halcon-draw_region手动画一个闭合区域

dev_open_window(10,10,500,500,'black',WindowHandle)

draw_region (Region, WindowHandle)
*在指定窗口手动画一个闭合区域--自动闭合


dev_display (Region)

  HObject  ho_Region;
  HTuple  hv_WindowHandle;

  SetWindowAttr("background_color","black");
  OpenWindow(10,10,500,500,0,"visible","",&hv_WindowHandle);
  HDevWindowStack::Push(hv_WindowHandle);

  DrawRegion(&ho_Region, hv_WindowHandle);
  //在指定窗口手动画一个闭合区域--自动闭合


  if (HDevWindowStack::IsOpen())
    DispObj(ho_Region, HDevWindowStack::GetActive());