public: class QRegion __thiscall QRegion::united(class QRegion const &)const

Mangled name

?united@QRegion@@QBE?AV1@ABV1@@Z

Exported by

size	filename	version
3052032	Qt5Gui.dll	5.1.0.0

Imported by

size	filename
4759552	ToolBox.exe
4297216	Qt5Widgets.dll