QWindowsTheme: Suppress error dialogs when calling SHGetFileInfo().

Set the error mode flag SEM_NOOPENFILEERRORBOX when calling Win32 API
SHGetFileInfo() to prevent it from prompting to insert media
as does QStorageInfoPrivate::mountedVolumes().

Task-number: QTBUG-32457
Task-number: QTBUG-48823
Change-Id: I01a2f99b5a75b39dd729509ca319f634e3dcd695
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>

1 files changed, 10 insertions, 1 deletions

diff --git a/src/plugins/platforms/windows/qwindowstheme.cpp b/src/plugins/platforms/windows/qwindowstheme.cpp
index 4a13f646f2..f673ce5c25 100644
--- a/src/plugins/platforms/windows/qwindowstheme.cpp
+++ b/src/plugins/platforms/windows/qwindowstheme.cpp
@@ -132,7 +132,16 @@ public:
     explicit ShGetFileInfoFunction(const wchar_t *fn, DWORD a, SHFILEINFO *i, UINT f, bool *r) :
         m_fileName(fn), m_attributes(a), m_flags(f), m_info(i), m_result(r) {}
 
-    void operator()() const { *m_result = SHGetFileInfo(m_fileName, m_attributes, m_info, sizeof(SHFILEINFO), m_flags); }
+    void operator()() const
+    {
+#ifndef Q_OS_WINCE
+        const UINT oldErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
+#endif
+        *m_result = SHGetFileInfo(m_fileName, m_attributes, m_info, sizeof(SHFILEINFO), m_flags);
+#ifndef Q_OS_WINCE
+        SetErrorMode(oldErrorMode);
+#endif
+    }
 
 private:
     const wchar_t *m_fileName;