public void MakeVideoCall(ref STVideoWindow stLocalWnd, ref STVideoWindow stRemoteWnd) { LogManager.SystemLog.Debug(string.Format("Start UC_SDK_MakeVideoCall")); int iRet = UCInterface.UC_SDK_MakeVideoCall(stLocalWnd.hWnd, stLocalWnd.left, stLocalWnd.top, stLocalWnd.width, stLocalWnd.height, stRemoteWnd.hWnd, stRemoteWnd.left, stRemoteWnd.top, stRemoteWnd.width, stRemoteWnd.height); if (iRet != 0) { LogManager.SystemLog.Error(string.Format("UC_SDK_MakeVideoCall = {0}", iRet)); } LogManager.SystemLog.Debug(string.Format("End UC_SDK_MakeVideoCall")); }