diff --git a/DN_sample/DN_sample.cpp b/DN_sample/DN_sample.cpp
index d479690..4a42763 100644
--- a/DN_sample/DN_sample.cpp
+++ b/DN_sample/DN_sample.cpp
@@ -70,6 +70,9 @@ BOOL CDN_sampleApp::InitInstance()
 		// TODO: Place code here to handle when the dialog is
 		//  dismissed with Cancel
 	}
+	else if (nResponse == -1) {
+		printf("先安装sdk\n");
+	}
 
 	// Since the dialog has been closed, return FALSE so that we exit the
 	//  application, rather than start the application's message pump.
diff --git a/DN_sample/DN_sample.rc b/DN_sample/DN_sample.rc
index 80e9d54..c09bde9 100644
--- a/DN_sample/DN_sample.rc
+++ b/DN_sample/DN_sample.rc
@@ -165,16 +165,16 @@ BEGIN
     DEFPUSHBUTTON   "OK",IDOK,178,7,50,16,WS_GROUP
 END
 
-IDD_DN_SAMPLE_DIALOG DIALOGEX 0, 0, 900, 490
+IDD_DN_SAMPLE_DIALOG DIALOGEX 0, 0, 827, 490
 STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU
 EXSTYLE WS_EX_APPWINDOW
 CAPTION "image measure"
 FONT 8, "MS Shell Dlg", 0, 0, 0x1
 BEGIN
-    CONTROL         "",IDC_VIDEO,"{922FB007-DD9A-11D3-BD8D-DAAFCB8D9378}",WS_TABSTOP,842,35,52,45
+    CONTROL         "",IDC_VIDEO,"{922FB007-DD9A-11D3-BD8D-DAAFCB8D9378}",WS_TABSTOP, 100, 19, 720, 466  //842,35,52,45
     LISTBOX         IDC_LIST2,5,5,90,480,LBS_NOINTEGRALHEIGHT | WS_VSCROLL | WS_TABSTOP
-    CONTROL         "",IDC_TAB1,"SysTabControl32",0x0,100,5,740,480
-    PUSHBUTTON      "最小化",IDC_BTN_MINIMIZE,845,4,50,12
+    CONTROL         "",IDC_TAB1,"SysTabControl32",0x0,100,5,720,480
+    PUSHBUTTON      "最小化",IDC_BTN_MINIMIZE,757,4,50,12
 END
 
 IDD_FORM2 DIALOGEX 0, 0, 453, 304
diff --git a/DN_sample/DN_sampleDlg.cpp b/DN_sample/DN_sampleDlg.cpp
index 2156bf2..5c37ec5 100644
--- a/DN_sample/DN_sampleDlg.cpp
+++ b/DN_sample/DN_sampleDlg.cpp
@@ -117,6 +117,7 @@ void CDN_sampleDlg::SelectOneImg() {
 			m_tab.SetCurSel(0);
 			m_f1.ShowWindow(SW_SHOW);
 			m_f2.ShowWindow(SW_HIDE);
+			m_video.ShowWindow(SW_HIDE);
 			m_f2.SetMicroImage(m_ImgVec[index]);
 
 			if (m_f1.hb != NULL) {
@@ -165,24 +166,30 @@ BOOL CDN_sampleDlg::OnInitDialog()
 
 	m_tab.InsertItem(0, _T("抓拍图片"));
 	m_tab.InsertItem(1, _T("距离测量"));
+	m_tab.InsertItem(2, _T("实时预览"));
 	//m_f1.SetParent(&m_tab);
 	m_f1.Create(IDD_FORM2, &m_tab);
 	m_f2.Create(IDD_CALIMAGE, &m_tab);
+	m_video.SetParent(&m_tab);
+
+	
 
 	RECT rect;
 	m_tab.GetClientRect(&rect);
-	rect.top += 22;//对坐标做一些微调，这26是选项卡按钮的高度
-	rect.left += 2;//这是边框的宽度
+	rect.top += 22;    //对坐标做一些微调，这26是选项卡按钮的高度
+	rect.left += 2;    //这是边框的宽度
 	m_f1.SetWindowPos(NULL, 0, 0, rect.right - rect.left, rect.bottom - rect.top, SWP_NOZORDER);
 	m_f2.SetWindowPos(NULL, 0, 0, rect.right - rect.left, rect.bottom - rect.top, SWP_NOZORDER);
+
 	m_f1.MoveWindow(&rect);
 	m_f2.MoveWindow(&rect);
 	m_f1.ShowWindow(SW_SHOW);
 	m_f2.ShowWindow(SW_HIDE);
+	m_video.ShowWindow(SW_HIDE);
+
 	m_f2.SetImgPos();
 
 	
-
 	CDC* pDC = GetDC();  // 获取设备上下文
 	TEXTMETRIC tm;  // 获取字体的高度
 	pDC->GetTextMetrics(&tm);
@@ -199,7 +206,8 @@ BOOL CDN_sampleDlg::OnInitDialog()
 		Test();
 	}
 
-	if (m_video.GetVideoDeviceCount() == 0)  return false;
+	
+	if (m_video.GetVideoDeviceCount() == 0) return false;
 
 	m_video.SetUseVideoFilter(1);
 	m_video.SetConnected(TRUE);
@@ -296,12 +304,15 @@ BOOL CDN_sampleDlg::OnInitDialog()
 	//m_green = m_video.GetAWBG(m_device.GetCurSel());
 	//m_blue = m_video.GetAWBB(m_device.GetCurSel());
 
+	////设置二值化拍照
+	//m_video.put_VideoProcAmp(-106, 0);//treshold
+	//m_video.put_VideoProcAmp(-107, RGB(0, 0, 0));//color
 
 	if (!m_video.EnableMicroTouch(true)) {  //设置touch enable  启用返回false
-		AfxMessageBox(_T("EnableMicroTouch 启用"), MB_ICONHAND);
+		//AfxMessageBox(_T("EnableMicroTouch 启用"), MB_ICONHAND);
 	}
 	else {
-		AfxMessageBox(_T("EnableMicroTouch 取消"), MB_ICONERROR);
+		AfxMessageBox(_T("EnableMicroTouch 启用失败"), MB_ICONERROR);
 	}
 
 	return TRUE;  // return TRUE  unless you set the focus to a control
@@ -309,7 +320,7 @@ BOOL CDN_sampleDlg::OnInitDialog()
 
 
 void CDN_sampleDlg::Test() {
-	CString path[] = {L"\\DoniImage\\1-1.png" ,L"\\DoniImage\\1111.png",L"\\DoniImage\\1112.png" };
+	CString path[] = {L"\\DoniImage\\1-1.png" ,L"\\DoniImage\\1111.png",L"\\DoniImage\\1112.png",L"\\DoniImage\\2222.png" };
 	for (int i = 0; i < sizeof(path) / sizeof(CString); ++i) {
 		std::string imgpath = CW2A(m_ExePath + path[i]);
 		cv::Mat imgMat = cv::imread(imgpath);
@@ -443,16 +454,24 @@ void CDN_sampleDlg::ChangeTab(NMHDR* pNMHDR, LRESULT* pResult)
 		m_f1.ClearImg();
 		m_f1.ShowWindow(SW_SHOW);
 		m_f2.ShowWindow(SW_HIDE);
+		m_video.ShowWindow(SW_HIDE);
 		break;
 	case 1:
 		m_f2.ClearImg();
 		m_f2.ShowWindow(SW_SHOW);
  		m_f1.ShowWindow(SW_HIDE);
+		m_video.ShowWindow(SW_HIDE);
+		break;
+	case 2:
+		m_f2.ShowWindow(SW_HIDE);
+		m_f1.ShowWindow(SW_HIDE);
+		m_video.ShowWindow(SW_SHOW);
 		break;
 	default:
 		m_f1.ClearImg();
 		m_f1.ShowWindow(SW_SHOW);
 		m_f2.ShowWindow(SW_HIDE);
+		m_video.ShowWindow(SW_HIDE);
 		break;
 	}
 
@@ -465,13 +484,14 @@ BOOL CDN_sampleDlg::PreTranslateMessage(MSG* pMsg)
 {
 	if (WM_RBUTTONUP == pMsg->message)
 	{
+		if (m_listBox.GetCount() == 0) return FALSE;
 		CPoint pt;
 		CRect rtClient;
 		m_listBox.GetClientRect(&rtClient);
 		m_listBox.ClientToScreen(&rtClient);
 		INT iScrollPos = m_listBox.GetScrollPos(SB_VERT);
 		GetCursorPos(&pt);
-		int nItemHeight = m_nFontHeight;  // 假设加上一些额外空间作为边距
+		int nItemHeight = m_listBox.GetItemHeight(0);
 		int iSelect = (pt.y - rtClient.top + iScrollPos * nItemHeight) / nItemHeight;
 		if (iSelect < m_listBox.GetCount()) {
 			m_listBox.SetCurSel(iSelect);
diff --git a/DN_sample/DN_sampleDlg.cpp.bak b/DN_sample/DN_sampleDlg.cpp.bak
new file mode 100644
index 0000000..76ae6dd
Binary files /dev/null and b/DN_sample/DN_sampleDlg.cpp.bak differ
diff --git a/DN_sample/MicroImage.cpp b/DN_sample/MicroImage.cpp
index 68abc27..69f874a 100644
--- a/DN_sample/MicroImage.cpp
+++ b/DN_sample/MicroImage.cpp
@@ -58,20 +58,20 @@ void MicroImage::CropByBorder(int yBegin, int yEnd, int xBegin, int xEnd) {
 }
 
 void MicroImage::StatisticsBGColor() {
-	Rect cropRect1(m_width / 2 - 40, m_height / 2 - 40, 80, 80);   // 定义感兴趣的区域的矩形框
+	Rect cropRect1(m_width / 2 - 40, m_height / 2 - 40, 80, 80);   // 中心位置
 	cropRect1 &= Rect(0, 0, m_width, m_height);   // 检查ROI是否在图像范围内
 	Mat cropMat1 = m_image(cropRect1);
 
-	Rect cropRect2(0, m_height / 2 - 25, 50, 50);   // 定义感兴趣的区域的矩形框
-	cropRect2 &= Rect(0, 0, m_width, m_height);   // 检查ROI是否在图像范围内
+	Rect cropRect2(0, m_height / 2 - 25, 50, 50);   //中左位置
+	cropRect2 &= Rect(0, 0, m_width, m_height);   
 	Mat cropMat2 = m_image(cropRect2);
 
-	Rect cropRect3(m_width - 25, m_height / 2 - 25, 50, 50);   // 定义感兴趣的区域的矩形框
-	cropRect3 &= Rect(0, 0, m_width, m_height);   // 检查ROI是否在图像范围内
+	Rect cropRect3(m_width - 25, m_height / 2 - 25, 50, 50);   //中右位置
+	cropRect3 &= Rect(0, 0, m_width, m_height);   
 	Mat cropMat3 = m_image(cropRect3);
 
-	Rect cropRect4(0, 0, 25, 25);   // 定义感兴趣的区域的矩形框
-	cropRect4 &= Rect(0, 0, m_width, m_height);   // 检查ROI是否在图像范围内
+	Rect cropRect4(0, 0, 25, 25);   //左上角位置
+	cropRect4 &= Rect(0, 0, m_width, m_height);
 	Mat cropMat4 = m_image(cropRect4);
 
 	StatisticsRGB(cropMat1);
@@ -420,12 +420,20 @@ void MicroImage::CalDistance() {
 	m_image.release();
 	m_image = cv::Mat(m_height, m_width, CV_8UC3, m_OriginData).clone();
 	//cv::imwrite(m_ImgName, m_image);
-	StandardLineDetect();  //标准线段检测
+	//StandardLineDetect();  //标准线段检测   先固定值
 	StatisticsBGColor();
 	SquareRemove();
-	//IsLandRemove();
+
+//#if 0
+//	IsLandRemove();
+//	Binarization();
+//
+//#endif
+
+
 	int dx = 0, dy = 0;
 	CalBorderCrop(dx, dy);
+	m_knowLength = 148;   //先固定
 	m_DistanceY = 0.2 * dy / m_knowLength;
 	m_DistanceX = 0.2 * dx / m_knowLength;
 
diff --git a/DN_sample/MicroImage.h b/DN_sample/MicroImage.h
index 946006c..03a421c 100644
--- a/DN_sample/MicroImage.h
+++ b/DN_sample/MicroImage.h
@@ -42,7 +42,7 @@ public:
 	uint m_TotalSize;   //图片大小
 private:
 	cv::Mat m_image;    //图片
-	int m_knowLength;    //已知0.2mm占用的像素个数
+	int m_knowLength = 148;    //已知0.2mm占用的像素个数 先固定
 	std::set<int> m_RgbSet;   //背景rgb集合
 
 	float m_Radio;  //宽高比
diff --git a/DN_sample/output/Release/Measure.exe b/DN_sample/output/Release/Measure.exe
index 6b1ba1c..ea33c00 100644
Binary files a/DN_sample/output/Release/Measure.exe and b/DN_sample/output/Release/Measure.exe differ
diff --git a/DN_sample/output/Release/Measure.pdb b/DN_sample/output/Release/Measure.pdb
index 85afa33..af5afd7 100644
Binary files a/DN_sample/output/Release/Measure.pdb and b/DN_sample/output/Release/Measure.pdb differ