public static void StartShareContent(string deviceHandle, IntPtr appWndHandle) { if (null != callManager.CurrentCall) { var errno = WrapperProxy.StartShareContent(callManager.CurrentCall.CallHandle, deviceHandle, appWndHandle); if (ErrorNumber.OK != errno) { throw new Exception("开始共享内容失败,errno=" + errno); } } else { throw new Exception("当前呼叫为空,不能共享内容"); } }