On 12/30/18 6:18 AM, Isira Seneviratne wrote: > > - /* case LVM_ISGROUPVIEWENABLED: */ > + case LVM_ISGROUPVIEWENABLED: > + /* LVS_ALIGNTOP is required for group view */ > + return GetWindowLongPtrA(hwnd, GWL_STYLE) & LVS_ALIGNTOP; No, that's not how it works.