SetWindowLong(hwnd, GWL_STYLE, old_wind_style);
was_full_screen = 1; SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) | (cfg.scrollbar ? WS_VSCROLL : 0) | WS_CAPTION | WS_BORDER | WS_THICKFRAME); SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);
static void flip_full_screen(void){    if (!full_screen) {	int cx, cy;	cx = GetSystemMetrics(SM_CXSCREEN);	cy = GetSystemMetrics(SM_CYSCREEN);	GetWindowPlacement(hwnd, &old_wind_placement);	old_wind_style = GetWindowLong(hwnd, GWL_STYLE);	SetWindowLong(hwnd, GWL_STYLE,		      old_wind_style & ~(WS_CAPTION | WS_BORDER | WS_THICKFRAME));	SetWindowPos(hwnd, HWND_TOP, 0, 0, cx, cy, SWP_SHOWWINDOW);	full_screen = 1;    } else {	SetWindowLong(hwnd, GWL_STYLE, old_wind_style);	SetWindowPlacement(hwnd,&old_wind_placement);	full_screen = 0;    }}