public: class QString & __ptr64 __cdecl QString::operator+=(char) __ptr64

Mangled name

??YQString@@QEAAAEAV0@D@Z

Exported by

size	filename	version
5842040	Qt5Core.dll	5.9.9.0
2760192	QtCore4.dll	4.7.2.0

Imported by

size	filename
48440304	DRMDownloader.exe