public static switch_event_header switch_event_get_header_ptr(switch_event arg0, string header_name) { IntPtr cPtr = freeswitchPINVOKE.switch_event_get_header_ptr(switch_event.getCPtr(arg0), header_name); switch_event_header ret = (cPtr == IntPtr.Zero) ? null : new switch_event_header(cPtr, false); return ret; }