427 ://428 ://429 ://430 ://431 ://432 ://433 :int CurveLines_wmpaint_display_threeD_proc ( HWND hWnd, HDC hDC, PAINTSTRUCT* ps, UINT uMsg, WPARAM wParam, LPARAM lParam ) {434 : float fx[3], fy[3];435 : static vLine** l_lines = nullptr;436…