From f8d3409ad3b72d1f49612d19abc5c8d63c34644a Mon Sep 17 00:00:00 2001
From: yangjiaxuan <171295266@qq.com>
Date: Fri, 21 Apr 2023 15:41:13 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4twainui=E7=9A=84windows?=
 =?UTF-8?q?=E7=88=B6=E7=AA=97=E5=8F=A3=E9=97=AE=E9=A2=98?=
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---
 modules/twainui/twainui.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/twainui/twainui.cpp b/modules/twainui/twainui.cpp
index 71957e9b..c3b1517d 100644
--- a/modules/twainui/twainui.cpp
+++ b/modules/twainui/twainui.cpp
@@ -11,6 +11,11 @@ extern bool g_ownApplication;
 
 int choose_scanner(const std::vector<DEVQUE> &devs)
 {
+#ifdef HG_CMP_MSC
+    if (!g_ownApplication)
+        g_ownApplication = QMfcApp::pluginInstance(g_hInst);
+#endif
+
     Dialog_device_select dlg(devs);
     if (dlg.exec())
     {