public: int __thiscall QTreeWidget::indexOfTopLevelItem(class QTreeWidgetItem *)const

Mangled name

?indexOfTopLevelItem@QTreeWidget@@QBEHPAVQTreeWidgetItem@@@Z

Exported by

size	filename	version
4297216	Qt5Widgets.dll	5.1.0.0

Imported by

size	filename
4759552	ToolBox.exe