diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsbackingstore.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsbackingstore.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/plugins/platforms/windows/qwindowsbackingstore.cpp b/src/plugins/platforms/windows/qwindowsbackingstore.cpp index 55e7b85d96..0e0d10284b 100644 --- a/src/plugins/platforms/windows/qwindowsbackingstore.cpp +++ b/src/plugins/platforms/windows/qwindowsbackingstore.cpp @@ -117,8 +117,11 @@ void QWindowsBackingStore::flush(QWindow *window, const QRegion ®ion, } if (!BitBlt(dc, br.x(), br.y(), br.width(), br.height(), - m_image->hdc(), br.x() + offset.x(), br.y() + offset.y(), SRCCOPY)) - qErrnoWarning("%s: BitBlt failed", __FUNCTION__); + m_image->hdc(), br.x() + offset.x(), br.y() + offset.y(), SRCCOPY)) { + const DWORD lastError = GetLastError(); // QTBUG-35926, QTBUG-29716: may fail after lock screen. + if (lastError != ERROR_SUCCESS && lastError != ERROR_INVALID_HANDLE) + qErrnoWarning(lastError, "%s: BitBlt failed", __FUNCTION__); + } rw->releaseDC(); #ifndef Q_OS_WINCE } |