public: void __thiscall QTreeView::collapseAll(void)

Mangled name

?collapseAll@QTreeView@@QAEXXZ

Exported by

size	filename	version
4297216	Qt5Widgets.dll	5.1.0.0

Imported by

size	filename
12921592	MEGAsync.exe
1794048	malware.exe
16670720	NOSApp.exe