public: void __thiscall QMainWindow::splitDockWidget(class QDockWidget *, class QDockWidget *, enum Qt::Orientation)

Mangled name

?splitDockWidget@QMainWindow@@QAEXPAVQDockWidget@@0W4Orientation@Qt@@@Z

Exported by

size	filename	version
4297216	Qt5Widgets.dll	5.1.0.0