针对讯飞启明扫描完成后TIMER消息重入导致界面卡死问题，在取图流程中忽略该消息。也可以通过外部配置: [twain-app]ignore-msg= && ignore-msg-wp=

sane/scanner.cpp

@@ -552,6 +552,29 @@ scanner::scanner(SCANNERID id) : handle_(NULL), id_(id), ex_id_(EXTENSION_ID_BAS
 	{
 		wait_fetch_ = mem_limit * 1000;	// second to millisecond
 	}
+
+	re_enter_msg_ = GetPrivateProfileIntW(L"twain-app", L"ignore-msg", 0, (cfg_path_ + L"debug.cfg").c_str());
+	re_enter_msg_wp_ = GetPrivateProfileIntW(L"twain-app", L"ignore-msg-wp", 0, (cfg_path_ + L"debug.cfg").c_str());
+	if (re_enter_msg_ == 0)
+	{
+		wchar_t	path[MAX_PATH] = { 0 }, * name = NULL;
+		GetModuleFileNameW(NULL, path, _countof(path) - 1);
+		name = wcsrchr(path, L'\\');
+		if (name++ == NULL)
+			name = path;
+		if (wcsicmp(name, L"proScanner.exe") == 0)
+		{
+			re_enter_msg_ = WM_TIMER;
+			re_enter_msg_wp_ = 1;
+		}
+	}
+	if(re_enter_msg_)
+	{
+		wchar_t info[128] = { 0 };
+		swprintf_s(info, _countof(info) - 1, L"Ignore message(0x%x) when get images\r\n", re_enter_msg_);
+		log_info(info, 1);
+	}
+
 	err_ = open();
 }
 scanner::~scanner()
@@ -2839,10 +2862,27 @@ COM_API_IMPLEMENT(scanner, int, get_scanned_images(DWORD milliseconds))
 	{
 		MSG msg = { 0 };
 		if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+		{
+			bool block_msg = false;
+
+			if (re_enter_msg_ && re_enter_msg_ == msg.message)
+			{
+				if (re_enter_msg_wp_)
+				{
+					block_msg = re_enter_msg_wp_ == msg.wParam;
+				}
+				else
+				{
+					block_msg = true;
+				}
+			}
+
+			if (!block_msg)
 			{
 				TranslateMessage(&msg);
 				DispatchMessageW(&msg);
 			}
+		}
 		else
 			Sleep(elapse);
 

sane/scanner.h

@@ -57,6 +57,9 @@ class scanner : public ISaneInvoker, virtual public refer
 	int			double_handle_ = DOUBLE_FEED_NEED_UI;		// 
 	bool		is_bIndicator;
 	bool		is_show_setting_;
+	UINT		re_enter_msg_ = 0;		// 针对讯飞启明扫描完成后TIMER消息重入导致界面卡死问题，在取图流程中忽略该消息。也可以通过外部配置
+	UINT		re_enter_msg_wp_ = 0;
+
 	unsigned int	img_ind_;
 	std::wstring	scanner_name_;
 	std::wstring	tmp_path_;