+ wxCHECK_MSG( m_milli > 0, false, wxT("invalid value for timer timeout") );
+ wxCHECK_MSG( m_info->m_timerRef == NULL, false, wxT("attempting to restart a timer") );
+
+ m_info->m_timer = this;
+ m_info->m_proc = NewEventLoopTimerUPP( &wxProcessTimer );
+
+ OSStatus err = InstallEventLoopTimer(
+ GetMainEventLoop(),
+ m_milli*kEventDurationMillisecond,
+ IsOneShot() ? 0 : m_milli * kEventDurationMillisecond,
+ m_info->m_proc,
+ this,
+ &m_info->m_timerRef );
+ verify_noerr( err );
+
+ return true;