internal unsafe static extern ErrorCode gp_port_info_list_append (HandleRef handle, _PortInfo info);
internal static extern ErrorCode gp_camera_get_port_info (HandleRef camera, out _PortInfo info);
internal unsafe static extern ErrorCode gp_port_info_list_get_info (HandleRef handle, int n, out _PortInfo info);
internal unsafe static extern ErrorCode gp_port_info_list_append(HandleRef handle, _PortInfo info);
internal unsafe static extern ErrorCode gp_camera_set_port_info (HandleRef camera, _PortInfo info);
private static extern ErrorCode gp_camera_set_port_info(HandleRef camera, _PortInfo info);
internal unsafe static extern ErrorCode gp_port_info_list_get_info(HandleRef handle, int n, out _PortInfo info);
private static extern ErrorCode gp_port_get_info(_Port *port, out _PortInfo info);
private static extern ErrorCode gp_port_set_info(HandleRef port, ref _PortInfo info);
private static extern ErrorCode gp_port_set_info(_Port *port, ref _PortInfo info);
private static extern ErrorCode gp_port_get_info(HandleRef port, out _PortInfo info);
internal unsafe static extern ErrorCode gp_camera_set_port_info(HandleRef camera, _PortInfo info);
internal static extern ErrorCode gp_camera_get_port_info(HandleRef camera, out _PortInfo info);