halcon 图片加载和设置XY轴滑动块的先后顺序

   //必须先加载图片，然后执行

 hWndControl.setGUICompRangeX( new int[]{ XTrackBar.Minimum,
                                                        XTrackBar.Maximum},
                                                     XTrackBar.Value );
            hWndControl.setGUICompRangeY( new int[]{ YTrackBar.Minimum,
                                                        YTrackBar.Maximum},
                                                     YTrackBar.Maximum-YTrackBar.Value); 

private void SmartWindow1Form_Load(object sender, System.EventArgs e)
        {
            hWndControl = new HWndCtrl(viewPort);
            Init();
        }

        private void Init()
        {
            String fileName = @"E:\Halcon\patras";
            HImage image;

            try
            {
                image   = new HImage(fileName);
            }
            catch(HOperatorException)
            {
                MessageBox.Show("Problem occured while reading file!",
                                "SmartWindow1",
                                MessageBoxButtons.OK,
                                MessageBoxIcon.Information);
                return;
            }

            hWndControl.addIconicVar(image);
            hWndControl.repaint();

            hWndControl.setGUICompRangeX( new int[]{ XTrackBar.Minimum,
                                                        XTrackBar.Maximum},
                                                     XTrackBar.Value );
            hWndControl.setGUICompRangeY( new int[]{ YTrackBar.Minimum,
                                                        YTrackBar.Maximum},
                                                     YTrackBar.Maximum-YTrackBar.Value);
        }

原文地址：https://www.cnblogs.com/qq1151219115/p/9293325.html