It is not 3D, it does not use Visual Styles (C.C. v5)
In C++/Win32, you can force C.C. v6 at beginning :
#pragma comment(linker,"\"/manifestdependency:type='win32' \
name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \
processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")