diff --git a/build/windows/HGSaneUser/HGSaneUser.def b/build/windows/HGSaneUser/HGSaneUser.def
index c003b6fa..9b48a839 100644
--- a/build/windows/HGSaneUser/HGSaneUser.def
+++ b/build/windows/HGSaneUser/HGSaneUser.def
@@ -7,7 +7,9 @@ HGSane_DestroyManager
 HGSane_GetDeviceCount
 HGSane_GetDeviceName
 HGSane_OpenDevice
+HGSane_OpenSelectedDevice
 HGSane_CloseDevice
 HGSane_ShowDeviceSettingDlg
 HGSane_StartDevice
 HGSane_StopDevice
+HGSane_StartDeviceWithUI
diff --git a/modules/base/HGDef.h b/modules/base/HGDef.h
index 76d6036a..ca91af08 100644
--- a/modules/base/HGDef.h
+++ b/modules/base/HGDef.h
@@ -108,6 +108,17 @@ typedef HGUInt HGResult;
 	#define HGAPIV
 #endif
 
+#if defined(HG_CMP_MSC)
+	#include <windows.h>
+	typedef HWND HGWindow;
+#else
+	#ifdef __cplusplus
+		typedef class QWidget* HGWindow;
+	#else
+		typedef void* HGWindow;
+	#endif
+#endif
+
 #define HG_DECLARE_HANDLE(name) struct name##__{int unused;}; typedef struct name##__ *name
 
 #pragma pack(push)
diff --git a/modules/sane_user/HGSane.cpp b/modules/sane_user/HGSane.cpp
index 4fd16479..338cc467 100644
--- a/modules/sane_user/HGSane.cpp
+++ b/modules/sane_user/HGSane.cpp
@@ -79,6 +79,25 @@ HGResult HGAPI HGSane_OpenDevice(HGSaneManager mgr, HGUInt index, HGSaneDevice*
 	return HGBASE_ERR_OK;
 }
 
+HGResult HGAPI HGSane_OpenSelectedDevice(HGSaneManager mgr, HGWindow parent, HGSaneDevice* dev)
+{
+	if (NULL == mgr)
+	{
+		return HGBASE_ERR_INVALIDARG;
+	}
+
+	HGSaneManagerImpl* saneManagerImpl = (HGSaneManagerImpl*)mgr;
+	class HGSaneDeviceImpl* saneDeviceImpl = NULL;
+	HGResult ret = saneManagerImpl->OpenSelectedDevice(parent, &saneDeviceImpl);
+	if (HGBASE_ERR_OK != ret)
+	{
+		return ret;
+	}
+
+	*dev = (HGSaneDevice)saneDeviceImpl;
+	return HGBASE_ERR_OK;
+}
+
 HGResult HGAPI HGSane_CloseDevice(HGSaneDevice dev)
 {
 	if (NULL == dev)
@@ -90,11 +109,7 @@ HGResult HGAPI HGSane_CloseDevice(HGSaneDevice dev)
 	return saneDeviceImpl->Close();
 }
 
-#ifdef HG_CMP_MSC
-HGResult HGAPI HGSane_ShowDeviceSettingDlg(HGSaneDevice dev, HWND parent)
-#else
-HGResult HGAPI HGSane_ShowDeviceSettingDlg(HGSaneDevice dev, class QWidget* parent)
-#endif
+HGResult HGAPI HGSane_ShowDeviceSettingDlg(HGSaneDevice dev, HGWindow parent)
 {
 	if (NULL == dev)
 	{
@@ -126,4 +141,15 @@ HGResult HGAPI HGSane_StopDevice(HGSaneDevice dev)
 
 	HGSaneDeviceImpl* saneDeviceImpl = (HGSaneDeviceImpl*)dev;
 	return saneDeviceImpl->Stop();
+}
+
+HGResult HGAPI HGSane_StartDeviceWithUI(HGSaneDevice dev, HGWindow parent, HGSane_DeviceImageFunc imageFunc, HGPointer imageParam)
+{
+	if (NULL == dev)
+	{
+		return HGBASE_ERR_INVALIDARG;
+	}
+
+	HGSaneDeviceImpl* saneDeviceImpl = (HGSaneDeviceImpl*)dev;
+	return saneDeviceImpl->StartWithUI(parent, imageFunc, imageParam);
 }
\ No newline at end of file
diff --git a/modules/sane_user/HGSane.h b/modules/sane_user/HGSane.h
index 000ed826..7ec7da98 100644
--- a/modules/sane_user/HGSane.h
+++ b/modules/sane_user/HGSane.h
@@ -24,17 +24,17 @@ HGEXPORT HGResult HGAPI HGSane_GetDeviceName(HGSaneManager mgr, HGUInt index, HG
 
 HGEXPORT HGResult HGAPI HGSane_OpenDevice(HGSaneManager mgr, HGUInt index, HGSaneDevice *dev, HGChar *errInfo, HGUInt errInfoLen);
 
+HGEXPORT HGResult HGAPI HGSane_OpenSelectedDevice(HGSaneManager mgr, HGWindow parent, HGSaneDevice* dev);
+
 HGEXPORT HGResult HGAPI HGSane_CloseDevice(HGSaneDevice dev);
 
-#ifdef HG_CMP_MSC
-HGEXPORT HGResult HGAPI HGSane_ShowDeviceSettingDlg(HGSaneDevice dev, HWND parent);
-#else
-HGEXPORT HGResult HGAPI HGSane_ShowDeviceSettingDlg(HGSaneDevice dev, class QWidget* parent);
-#endif
+HGEXPORT HGResult HGAPI HGSane_ShowDeviceSettingDlg(HGSaneDevice dev, HGWindow parent);
 
 HGEXPORT HGResult HGAPI HGSane_StartDevice(HGSaneDevice dev, HGSane_DeviceEventFunc eventFunc, HGPointer eventParam,
 	HGSane_DeviceImageFunc imageFunc, HGPointer imageParam, HGChar* errInfo, HGUInt errInfoLen);
 
 HGEXPORT HGResult HGAPI HGSane_StopDevice(HGSaneDevice dev);
 
+HGEXPORT HGResult HGAPI HGSane_StartDeviceWithUI(HGSaneDevice dev, HGWindow parent, HGSane_DeviceImageFunc imageFunc, HGPointer imageParam);
+
 #endif /* __HGSANE_H__ */
\ No newline at end of file
diff --git a/modules/sane_user/HGSaneImpl.cpp b/modules/sane_user/HGSaneImpl.cpp
index a75531a3..31398f0b 100644
--- a/modules/sane_user/HGSaneImpl.cpp
+++ b/modules/sane_user/HGSaneImpl.cpp
@@ -1,10 +1,10 @@
 #include "HGSaneImpl.hpp"
 #include "../base/HGInc.h"
+#include <string>
 
 HGSaneManagerImpl::HGSaneManagerImpl()
 {
 	m_dll = NULL;
-	m_saneDlgDll = NULL;
 	m_f_sane_init = NULL;
 	m_f_sane_exit = NULL;
 	m_f_sane_get_devices = NULL;
@@ -18,7 +18,11 @@ HGSaneManagerImpl::HGSaneManagerImpl()
 	m_f_sane_get_parameters = NULL;
 	m_f_sane_get_option_descriptor = NULL;
 	m_f_sane_control_option = NULL;
+
+	m_saneDlgDll = NULL;
+	m_f_show_devlist_ui = NULL;
 	m_f_show_setting_ui = NULL;
+	m_f_show_scan_ui = NULL;
 }
 
 HGSaneManagerImpl::~HGSaneManagerImpl()
@@ -47,7 +51,9 @@ HGResult HGSaneManagerImpl::Create(const HGChar* sanePath)
 	HGBase_CreateDll("HGSaneDlg.dll", &m_saneDlgDll);
 	if (NULL != m_saneDlgDll)
 	{
+		HGBase_GetDllProcAddress(m_saneDlgDll, "show_devlist_ui", (HGPointer*)&m_f_show_devlist_ui);
 		HGBase_GetDllProcAddress(m_saneDlgDll, "show_setting_ui", (HGPointer*)&m_f_show_setting_ui);
+		HGBase_GetDllProcAddress(m_saneDlgDll, "show_scan_ui", (HGPointer*)&m_f_show_scan_ui);
 	}
 
 	if (SANE_STATUS_GOOD != m_f_sane_init(NULL, NULL))
@@ -164,6 +170,53 @@ HGResult HGSaneManagerImpl::OpenDevice(HGUInt index, HGSaneDeviceImpl** deviceIm
 	return HGBASE_ERR_OK;
 }
 
+HGResult HGSaneManagerImpl::OpenSelectedDevice(HGWindow parent, class HGSaneDeviceImpl** deviceImpl)
+{
+	if (NULL == deviceImpl)
+	{
+		return HGBASE_ERR_INVALIDARG;
+	}
+
+	if (NULL == m_f_show_devlist_ui)
+	{
+		return HGBASE_ERR_FAIL;
+	}
+
+	const SANE_Device** device_list;
+	if (SANE_STATUS_GOOD != m_f_sane_get_devices(&device_list, SANE_TRUE))
+	{
+		return HGSANE_ERR_FAIL;
+	}
+
+	HGUInt count = 0;
+	const SANE_Device** p;
+	for (p = device_list; *p != NULL; ++p)
+		++count;
+
+	const char** devNameList = new const char*[count + 1];
+	for (HGUInt i = 0; i < count; ++i)
+		devNameList[i] = device_list[i]->name;
+	devNameList[count] = 0;
+	SANE_Handle handle = m_f_show_devlist_ui(devNameList, parent);
+	delete []devNameList;
+	if (NULL == handle)
+	{
+		return HGSANE_ERR_FAIL;
+	}
+
+	HGSaneDeviceImpl* newDeviceImpl = new HGSaneDeviceImpl(this);
+	HGResult ret = newDeviceImpl->Init(handle);
+	if (HGBASE_ERR_OK != ret)
+	{
+		delete newDeviceImpl;
+		return ret;
+	}
+
+	m_listDeviceImpl.push_back(newDeviceImpl);
+	*deviceImpl = newDeviceImpl;
+	return HGBASE_ERR_OK;
+}
+
 HGResult HGSaneManagerImpl::FindFunctions()
 {
 	HGResult ret = HGBASE_ERR_OK;
@@ -262,6 +315,15 @@ HGSaneDeviceImpl::~HGSaneDeviceImpl()
 
 }
 
+HGResult HGSaneDeviceImpl::Init(SANE_Handle handle)
+{
+	assert(NULL == m_devHandle);
+
+	m_mgrImpl->m_f_sane_set_io_mode(handle, SANE_FALSE);
+	m_devHandle = handle;
+	return HGBASE_ERR_OK;
+}
+
 HGResult HGSaneDeviceImpl::Open(const HGChar* devName, HGChar* errInfo, HGUInt errInfoLen)
 {
 	assert(NULL == m_devHandle);
@@ -303,12 +365,13 @@ HGResult HGSaneDeviceImpl::Close()
 	return HGBASE_ERR_OK;
 }
 
-#ifdef HG_CMP_MSC
-HGResult HGSaneDeviceImpl::ShowSettingDlg(HWND parent)
-#else
-HGResult HGSaneDeviceImpl::ShowSettingDlg(class QWidget* parent)
-#endif
+HGResult HGSaneDeviceImpl::ShowSettingDlg(HGWindow parent)
 {
+	if (NULL != m_thread)
+	{
+		return HGBASE_ERR_FAIL;
+	}
+
 	if (NULL == m_mgrImpl->m_f_show_setting_ui)
 	{
 		return HGBASE_ERR_FAIL;
@@ -402,6 +465,25 @@ HGResult HGSaneDeviceImpl::Stop()
 	return HGBASE_ERR_OK;
 }
 
+HGResult HGSaneDeviceImpl::StartWithUI(HGWindow parent, HGSane_DeviceImageFunc imageFunc, HGPointer imageParam)
+{
+	if (NULL != m_thread)
+	{
+		return HGBASE_ERR_FAIL;
+	}
+
+	if (NULL == m_mgrImpl->m_f_show_scan_ui)
+	{
+		return HGBASE_ERR_FAIL;
+	}
+
+	m_dpi = GetDpi();
+	m_imageFunc = imageFunc;
+	m_imageParam = imageParam;
+	m_mgrImpl->m_f_show_scan_ui(m_devHandle, parent, ShowScanImageCallback, this);
+	return HGBASE_ERR_OK;
+}
+
 HGUInt HGSaneDeviceImpl::GetDpi()
 {
 	HGUInt dpi = 0;
@@ -510,4 +592,36 @@ void HGAPI HGSaneDeviceImpl::ThreadFunc(HGThread thread, HGPointer param)
 			}
 		}
 	}
+}
+
+void HGSaneDeviceImpl::ShowScanImageCallback(const SANE_Parameters* imageFormat, const SANE_Byte* imageData, void* callbackParam)
+{
+	HGSaneDeviceImpl* p = (HGSaneDeviceImpl*)callbackParam;
+
+	if (NULL != p->m_imageFunc)
+	{
+		HGUInt imgType = 0;
+		if (imageFormat->format == SANE_FRAME_GRAY)
+		{
+			if (1 == imageFormat->depth)
+				imgType = HGBASE_IMGTYPE_BINARY;
+			else if (8 == imageFormat->depth)
+				imgType = HGBASE_IMGTYPE_GRAY;
+		}
+		else if (imageFormat->format == SANE_FRAME_RGB)
+		{
+			imgType = HGBASE_IMGTYPE_RGB;
+		}
+
+		HGImageInfo imgInfo = { (HGUInt)imageFormat->pixels_per_line, (HGUInt)imageFormat->lines,
+								imgType, (HGUInt)imageFormat->bytes_per_line, HGBASE_IMGORIGIN_TOP };
+		HGImage img = NULL;
+		HGBase_CreateImageWithData((HGByte*)imageData, &imgInfo, &img);
+		if (NULL != img)
+		{
+			HGBase_SetImageDpi(img, p->m_dpi, p->m_dpi);
+			p->m_imageFunc((HGSaneDevice)p, img, p->m_imageParam);
+			HGBase_DestroyImage(img);
+		}
+	}
 }
\ No newline at end of file
diff --git a/modules/sane_user/HGSaneImpl.hpp b/modules/sane_user/HGSaneImpl.hpp
index 7bc4bc43..8c2b5374 100644
--- a/modules/sane_user/HGSaneImpl.hpp
+++ b/modules/sane_user/HGSaneImpl.hpp
@@ -24,11 +24,11 @@ typedef SANE_String_Const (*f_sane_strstatus)(SANE_Status status);
 typedef SANE_Status (*f_sane_get_parameters)(SANE_Handle handle, SANE_Parameters* params);
 typedef SANE_Option_Descriptor* (*f_sane_get_option_descriptor)(SANE_Handle handle, SANE_Int option);
 typedef SANE_Status (*f_sane_control_option)(SANE_Handle handle, SANE_Int option, SANE_Action action, void* value, SANE_Int* info);
-#ifdef HG_CMP_MSC
-typedef void (*f_show_setting_ui)(SANE_Handle handle, HWND parent);
-#else
-typedef void (*f_show_setting_ui)(SANE_Handle handle, class QWidget* parent);
-#endif
+
+typedef SANE_Handle (*f_show_devlist_ui)(const char **devNameList, HGWindow parent);
+typedef void (*f_show_setting_ui)(SANE_Handle handle, HGWindow parent);
+typedef void (*f_show_scan_ui_image_callback)(const SANE_Parameters *imageFormat, const SANE_Byte *imageData, void * callbackParam);
+typedef void (*f_show_scan_ui)(SANE_Handle handle, HGWindow parent, f_show_scan_ui_image_callback callback, void *callbackParam);
 
 class HGSaneManagerImpl
 {
@@ -42,6 +42,7 @@ public:
 	HGResult GetDeviceCount(HGUInt *count);
 	HGResult GetDeviceName(HGUInt index, HGChar* name, HGUInt maxLen);
 	HGResult OpenDevice(HGUInt index, class HGSaneDeviceImpl **deviceImpl, HGChar* errInfo, HGUInt errInfoLen);
+	HGResult OpenSelectedDevice(HGWindow parent, class HGSaneDeviceImpl** deviceImpl);
 
 private:
 	HGResult FindFunctions();
@@ -49,7 +50,6 @@ private:
 
 private:
 	HGDll m_dll;
-	HGDll m_saneDlgDll;
 	f_sane_init m_f_sane_init;
 	f_sane_exit m_f_sane_exit;
 	f_sane_get_devices m_f_sane_get_devices;
@@ -63,7 +63,12 @@ private:
 	f_sane_get_parameters m_f_sane_get_parameters;
 	f_sane_get_option_descriptor m_f_sane_get_option_descriptor;
 	f_sane_control_option m_f_sane_control_option;
+
+	HGDll m_saneDlgDll;
+	f_show_devlist_ui m_f_show_devlist_ui;
 	f_show_setting_ui m_f_show_setting_ui;
+	f_show_scan_ui m_f_show_scan_ui;
+
 	std::list<class HGSaneDeviceImpl*> m_listDeviceImpl;
 };
 
@@ -73,20 +78,19 @@ public:
 	HGSaneDeviceImpl(HGSaneManagerImpl* mgrImpl);
 	~HGSaneDeviceImpl();
 
+	HGResult Init(SANE_Handle handle);
 	HGResult Open(const HGChar *devName, HGChar* errInfo, HGUInt errInfoLen);
 	HGResult Close();
-#ifdef HG_CMP_MSC
-	HGResult ShowSettingDlg(HWND parent);
-#else
-	HGResult ShowSettingDlg(class QWidget *parent);
-#endif
+	HGResult ShowSettingDlg(HGWindow parent);
 	HGResult Start(HGSane_DeviceEventFunc eventFunc, HGPointer eventParam,
 		HGSane_DeviceImageFunc imageFunc, HGPointer imageParam, HGChar* errInfo, HGUInt errInfoLen);
 	HGResult Stop();
+	HGResult StartWithUI(HGWindow parent, HGSane_DeviceImageFunc imageFunc, HGPointer imageParam);
 
 private:
 	HGUInt GetDpi();
 	static void HGAPI ThreadFunc(HGThread thread, HGPointer param);
+	static void ShowScanImageCallback(const SANE_Parameters* imageFormat, const SANE_Byte* imageData, void* callbackParam);
 
 private:
 	HGSaneManagerImpl* m_mgrImpl;