diff --git a/modules/twainui/Manager.cpp b/modules/twainui/Manager.cpp
index c8f76591..c0b1d6f2 100644
--- a/modules/twainui/Manager.cpp
+++ b/modules/twainui/Manager.cpp
@@ -23,17 +23,17 @@ Manager::Manager()
     qRegisterMetaType<HGImage>("HGImage");
 
     connect(this, SIGNAL(init()), this, SLOT(on_init()));
-    connect(this, SIGNAL(createDeviceSelect(unsigned int)), this, SLOT(on_createDeviceSelect(unsigned int)));
-    connect(this, SIGNAL(createSettingUi(unsigned int)), this, SLOT(on_createSettingUi(unsigned int)));
+    connect(this, SIGNAL(createDeviceSelect(void *)), this, SLOT(on_createDeviceSelect(void *)));
+    connect(this, SIGNAL(createSettingUi(void *)), this, SLOT(on_createSettingUi(void *)));
     connect(this, SIGNAL(createProgressUi(void *)), this, SLOT(on_createProgressUi(void *)));
-    connect(this, SIGNAL(createMessageBoxUi(unsigned int)), this, SLOT(on_createMessageBoxUi(unsigned int)));
-    connect(this, SIGNAL(createTwainSrcUi(unsigned int)), this, SLOT(on_createTwainSrcUi(unsigned int)));
-    connect(this, SIGNAL(createSaneSrcUi(unsigned int)), this, SLOT(on_createSaneSrcUi(unsigned int)));
-    connect(this, SIGNAL(createAbnormalImgUi(unsigned int, HGImage)), this, SLOT(on_createAbnormalImgUi(unsigned int, HGImage)));
+    connect(this, SIGNAL(createMessageBoxUi(void *)), this, SLOT(on_createMessageBoxUi(void *)));
+    connect(this, SIGNAL(createTwainSrcUi(void *)), this, SLOT(on_createTwainSrcUi(void *)));
+    connect(this, SIGNAL(createSaneSrcUi(void *)), this, SLOT(on_createSaneSrcUi(void *)));
+    connect(this, SIGNAL(createAbnormalImgUi(void *, HGImage)), this, SLOT(on_createAbnormalImgUi(void *, HGImage)));
 
-    connect(this, SIGNAL(deleteSettingUi(unsigned int)), this, SLOT(on_deleteSettingUi(unsigned int)));
-    connect(this, SIGNAL(deleteProgressUi(unsigned int)), this, SLOT(on_deleteProgressUi(unsigned int)));
-    connect(this, SIGNAL(deleteMessageBoxUi(unsigned int)), this, SLOT(on_deleteMessageBoxUi(unsigned int)));
+    connect(this, SIGNAL(deleteSettingUi(void *)), this, SLOT(on_deleteSettingUi(void *)));
+    connect(this, SIGNAL(deleteProgressUi(void *)), this, SLOT(on_deleteProgressUi(void *)));
+    connect(this, SIGNAL(deleteMessageBoxUi(void *)), this, SLOT(on_deleteMessageBoxUi(void *)));
 
     emit init();
 }
@@ -50,22 +50,21 @@ int Manager::showDeviceSelect(const std::vector<DEVQUEUI>& devs)
     // param
     m_DeviceSelectDevs = devs;
 
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
-        ThreadId = GetCurrentThreadId();
+    {
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
+    }
 #endif
 
-    emit createDeviceSelect(ThreadId);
+    emit createDeviceSelect(hStopEvent);
+
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hStopEvent)
     {
-        MSG msg;
-        while (GetMessage(&msg, NULL, 0, 0))
-        {
-            TranslateMessage(&msg);
-            DispatchMessage(&msg);
-        }
+        msgLoop(hStopEvent);
+        CloseHandle(hStopEvent);
     }
 #endif
 
@@ -84,16 +83,15 @@ int Manager::showSettingUi(SANE_Handle device, HWND parent, LPSANEAPI api, const
     m_with_scan = with_scan;
     m_settingUiCallback = callback;
 
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
     {
-        ThreadId = GetCurrentThreadId();
-        HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "[Manager::showSettingUi] qApp->thread() != QThread::currentThread(), ThreadId=%u", ThreadId);
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
     }
 #endif
 
-    emit createSettingUi(ThreadId);
+    emit createSettingUi(hStopEvent);
     HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "[Manager::showSettingUi] emit createSettingUi(ThreadId)");
     return 0;
 }
@@ -119,31 +117,7 @@ int Manager::showProgressUi(HWND parent, std::function<void (ui_result)> callbac
 #ifdef HG_CMP_MSC
     if (nullptr != hStopEvent)
     {
-        while (1)
-        {
-            MSG msg;
-            while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
-            {
-                TranslateMessage(&msg);
-                DispatchMessage(&msg);
-            }
-
-            HANDLE arEvents[1] = { hStopEvent };
-            DWORD result = MsgWaitForMultipleObjectsEx(1, arEvents, INFINITE, QS_ALLINPUT, MWMO_ALERTABLE);
-            if (result == WAIT_OBJECT_0 + 1) // msg received
-            {
-                continue;
-            }
-            else if (result == WAIT_OBJECT_0)
-            {
-                break;
-            }
-            else if (result == WAIT_IO_COMPLETION)
-            {
-                break;
-            }
-        }
-
+        msgLoop(hStopEvent);
         CloseHandle(hStopEvent);
     }
 #endif
@@ -160,22 +134,21 @@ int Manager::showMessageBoxUi(HWND parent, int event, void *msg, int flag)
     m_message = (char*)msg;
     m_flag = flag;
 
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
-        ThreadId = GetCurrentThreadId();
+    {
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
+    }
 #endif
 
-    emit createMessageBoxUi(ThreadId);
+    emit createMessageBoxUi(hStopEvent);
+
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hStopEvent)
     {
-        MSG msg;
-        while (GetMessage(&msg, NULL, 0, 0))
-        {
-            TranslateMessage(&msg);
-            DispatchMessage(&msg);
-        }
+        msgLoop(hStopEvent);
+        CloseHandle(hStopEvent);
     }
 #endif
 
@@ -193,22 +166,21 @@ int Manager::showTwainSrcUi(const TW_IDENTITY *vds, HGUInt count, const char* de
     m_defDsName = defDevName;
     memset(&m_ds, 0, sizeof(TW_IDENTITY));
 
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
-        ThreadId = GetCurrentThreadId();
+    {
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
+    }
 #endif
 
-    emit createTwainSrcUi(ThreadId);
+    emit createTwainSrcUi(hStopEvent);
+
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hStopEvent)
     {
-        MSG msg;
-        while (GetMessage(&msg, NULL, 0, 0))
-        {
-            TranslateMessage(&msg);
-            DispatchMessage(&msg);
-        }
+        msgLoop(hStopEvent);
+        CloseHandle(hStopEvent);
     }
 #endif
 
@@ -239,22 +211,21 @@ int Manager::showSaneSrcUi(const char **manuNames, const char **sanePaths, HGWin
     memset(&m_saneApi, 0, sizeof(SANEAPI));
     m_saneManuName.clear();
 
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
-        ThreadId = GetCurrentThreadId();
+    {
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
+    }
 #endif
 
-    emit createSaneSrcUi(ThreadId);
+    emit createSaneSrcUi(hStopEvent);
+
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hStopEvent)
     {
-        MSG msg;
-        while (GetMessage(&msg, NULL, 0, 0))
-        {
-            TranslateMessage(&msg);
-            DispatchMessage(&msg);
-        }
+        msgLoop(hStopEvent);
+        CloseHandle(hStopEvent);
     }
 #endif
 
@@ -287,22 +258,21 @@ int Manager::showAbnormalImgUi(SANE_Image *img)
     HGImage image = NULL;
     HGBase_CreateImageWithData(img->data, &imgInfo, &image);
 
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
-        ThreadId = GetCurrentThreadId();
+    {
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
+    }
 #endif
 
-    emit createAbnormalImgUi(ThreadId, image);
+    emit createAbnormalImgUi(hStopEvent, image);
+
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hStopEvent)
     {
-        MSG msg;
-        while (GetMessage(&msg, NULL, 0, 0))
-        {
-            TranslateMessage(&msg);
-            DispatchMessage(&msg);
-        }
+        msgLoop(hStopEvent);
+        CloseHandle(hStopEvent);
     }
 #endif
 
@@ -313,35 +283,41 @@ int Manager::showAbnormalImgUi(SANE_Image *img)
 
 void Manager::closeSettingUi()
 {
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
-        ThreadId = GetCurrentThreadId();
+    {
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
+    }
 #endif
 
-    emit deleteSettingUi(ThreadId);
+    emit deleteSettingUi(hStopEvent);
 }
 
 void Manager::closeProgressUi()
 {
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
-        ThreadId = GetCurrentThreadId();
+    {
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
+    }
 #endif
 
-    emit deleteProgressUi(ThreadId);
+    emit deleteProgressUi(hStopEvent);
 }
 
 void Manager::closeMessageBoxUi()
 {
-    unsigned int ThreadId = 0;
+    void *hStopEvent = nullptr;
 #ifdef HG_CMP_MSC
     if (qApp->thread() != QThread::currentThread())
-        ThreadId = GetCurrentThreadId();
+    {
+        hStopEvent = ::CreateEvent(0, FALSE, FALSE, 0);
+    }
 #endif
 
-    emit deleteMessageBoxUi(ThreadId);
+    emit deleteMessageBoxUi(hStopEvent);
 }
 
 void Manager::clear_functions(void)
@@ -355,6 +331,38 @@ void Manager::clear_functions(void)
         m_settingUi->clear_callback();
 }
 
+void Manager::msgLoop(void *hEvent)
+{
+#ifdef HG_CMP_MSC
+    assert(nullptr != hEvent);
+
+    while (1)
+    {
+        MSG msg;
+        while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+        {
+            TranslateMessage(&msg);
+            DispatchMessage(&msg);
+        }
+
+        HANDLE arEvents[1] = { hEvent };
+        DWORD result = MsgWaitForMultipleObjectsEx(1, arEvents, INFINITE, QS_ALLINPUT, MWMO_ALERTABLE);
+        if (result == WAIT_OBJECT_0 + 1) // msg received
+        {
+            continue;
+        }
+        else if (result == WAIT_OBJECT_0)
+        {
+            break;
+        }
+        else if (result == WAIT_IO_COMPLETION)
+        {
+            break;
+        }
+    }
+#endif
+}
+
 void Manager::on_init()
 {
     m_langCode = lang_get_cur_code_page();
@@ -373,21 +381,21 @@ void Manager::on_init()
         QCoreApplication::installTranslator(&m_translator_qt);
 }
 
-void Manager::on_createDeviceSelect(unsigned int ThreadId)
+void Manager::on_createDeviceSelect(void *hEvent)
 {
     Dialog_device_select dlg(m_DeviceSelectDevs);
     dlg.exec();
     m_DeviceSelectResult = dlg.getDevId();
 
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hEvent)
     {
-        ::PostThreadMessage(ThreadId, WM_QUIT, 0, 0);
+        SetEvent((HANDLE)hEvent);
     }
 #endif
 }
 
-void Manager::on_createSettingUi(unsigned int ThreadId)
+void Manager::on_createSettingUi(void *hEvent)
 {
     QWidget *qParent = nullptr;
 #ifdef HG_CMP_MSC
@@ -448,8 +456,8 @@ void Manager::on_createProgressUi(void *hEvent)
     m_progressUi = new Dialog_progress_ui(this, close_prog, m_notify, qParent);
     m_progressUi->setModal(true);
     m_progressUi->show();
-
     HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "[Manager::on_createProgressUi] m_progressUi->show()");
+
 #ifdef HG_CMP_MSC
     if (nullptr != hEvent)
     {
@@ -458,7 +466,7 @@ void Manager::on_createProgressUi(void *hEvent)
 #endif
 }
 
-void Manager::on_createMessageBoxUi(unsigned int ThreadId)
+void Manager::on_createMessageBoxUi(void *hEvent)
 {
     QWidget *qParent = nullptr;
 #ifdef HG_CMP_MSC
@@ -477,14 +485,14 @@ void Manager::on_createMessageBoxUi(unsigned int ThreadId)
     dlg.exec();
 
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hEvent)
     {
-        ::PostThreadMessage(ThreadId, WM_QUIT, 0, 0);
+        SetEvent((HANDLE)hEvent);
     }
 #endif
 }
 
-void Manager::on_createTwainSrcUi(unsigned int ThreadId)
+void Manager::on_createTwainSrcUi(void *hEvent)
 {
     QWidget *qParent = nullptr;
 #ifdef HG_CMP_MSC
@@ -505,14 +513,14 @@ void Manager::on_createTwainSrcUi(unsigned int ThreadId)
     }
 
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hEvent)
     {
-        ::PostThreadMessage(ThreadId, WM_QUIT, 0, 0);
+        SetEvent((HANDLE)hEvent);
     }
 #endif
 }
 
-void Manager::on_createSaneSrcUi(unsigned int ThreadId)
+void Manager::on_createSaneSrcUi(void *hEvent)
 {
     QWidget *qParent = nullptr;
 #ifdef HG_CMP_MSC
@@ -535,28 +543,28 @@ void Manager::on_createSaneSrcUi(unsigned int ThreadId)
     }
 
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hEvent)
     {
-        ::PostThreadMessage(ThreadId, WM_QUIT, 0, 0);
+        SetEvent((HANDLE)hEvent);
     }
 #endif
 }
 
-void Manager::on_createAbnormalImgUi(unsigned int ThreadId, HGImage image)
+void Manager::on_createAbnormalImgUi(void *hEvent, HGImage image)
 {
     Dialog_abnormal_img_select dlg(image, m_progressUi);
     dlg.exec();
     m_abnormalImgResult = dlg.getUserSelect();
 
 #ifdef HG_CMP_MSC
-    if (0 != ThreadId)
+    if (nullptr != hEvent)
     {
-        ::PostThreadMessage(ThreadId, WM_QUIT, 0, 0);
+        SetEvent((HANDLE)hEvent);
     }
 #endif
 }
 
-void Manager::on_deleteSettingUi(unsigned int ThreadId)
+void Manager::on_deleteSettingUi(void *hEvent)
 {
     if (m_settingUi != nullptr)
     {
@@ -566,7 +574,7 @@ void Manager::on_deleteSettingUi(unsigned int ThreadId)
     }
 }
 
-void Manager::on_deleteProgressUi(unsigned int ThreadId)
+void Manager::on_deleteProgressUi(void *hEvent)
 {
     if (m_progressUi != nullptr)
     {
@@ -576,7 +584,7 @@ void Manager::on_deleteProgressUi(unsigned int ThreadId)
     }
 }
 
-void Manager::on_deleteMessageBoxUi(unsigned int ThreadId)
+void Manager::on_deleteMessageBoxUi(void *hEvent)
 {
 
 }
diff --git a/modules/twainui/Manager.h b/modules/twainui/Manager.h
index 78073f41..37abd2c0 100644
--- a/modules/twainui/Manager.h
+++ b/modules/twainui/Manager.h
@@ -32,33 +32,36 @@ public:
 
     void clear_functions(void);
 
+private:
+    void msgLoop(void *hEvent);
+
 signals:
     void init();
-    void createDeviceSelect(unsigned int ThreadId);
-    void createSettingUi(unsigned int ThreadId);
+    void createDeviceSelect(void *hEvent);
+    void createSettingUi(void *hEvent);
     void createProgressUi(void *hEvent);
-    void createMessageBoxUi(unsigned int ThreadId);
-    void createTwainSrcUi(unsigned int ThreadId);
-    void createSaneSrcUi(unsigned int ThreadId);
-    void createAbnormalImgUi(unsigned int ThreadId, HGImage image);
+    void createMessageBoxUi(void *hEvent);
+    void createTwainSrcUi(void *hEvent);
+    void createSaneSrcUi(void *hEvent);
+    void createAbnormalImgUi(void *hEvent, HGImage image);
 
-    void deleteSettingUi(unsigned int ThreadId);
-    void deleteProgressUi(unsigned int ThreadId);
-    void deleteMessageBoxUi(unsigned int ThreadId);
+    void deleteSettingUi(void *hEvent);
+    void deleteProgressUi(void *hEvent);
+    void deleteMessageBoxUi(void *hEvent);
 
 private slots:
     void on_init();
-    void on_createDeviceSelect(unsigned int ThreadId);
-    void on_createSettingUi(unsigned int ThreadId);
+    void on_createDeviceSelect(void *hEvent);
+    void on_createSettingUi(void *hEvent);
     void on_createProgressUi(void *hEvent);
-    void on_createMessageBoxUi(unsigned int ThreadId);
-    void on_createTwainSrcUi(unsigned int ThreadId);
-    void on_createSaneSrcUi(unsigned int ThreadId);
-    void on_createAbnormalImgUi(unsigned int ThreadId, HGImage image);
+    void on_createMessageBoxUi(void *hEvent);
+    void on_createTwainSrcUi(void *hEvent);
+    void on_createSaneSrcUi(void *hEvent);
+    void on_createAbnormalImgUi(void *hEvent, HGImage image);
 
-    void on_deleteSettingUi(unsigned int ThreadId);
-    void on_deleteProgressUi(unsigned int ThreadId);
-    void on_deleteMessageBoxUi(unsigned int ThreadId);
+    void on_deleteSettingUi(void *hEvent);
+    void on_deleteProgressUi(void *hEvent);
+    void on_deleteMessageBoxUi(void *hEvent);
 
 public:
     QTranslator m_translator;