DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
::GetClientRect(GetHwnd(), &rect);
- ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
+ ::AdjustWindowRectEx(&rect, dwStyle, ::GetMenu(GetHwnd()) != NULL, dwExStyle);
::OffsetRgn(hrgn, -rect.left, -rect.top);
// Now call the shape API with the new region.