?
HINSTANCE hinstDll;
hinstDll = LoadLibrary("comctl32.dll");
HWND hTree = CreateWindowEx(0, WC_TREEVIEW , "Tree",
WS_VISIBLE|WS_CHILD|WS_BORDER| TVS_HASLINES
|TVS_LINESATROOT|TVS_HASBUTTONS,
CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
hwnd, 0, hThisInstance, 0
);
so sollts klappen