bool Render( uint32_t intervalMilliseconds = DEFAULT_RENDER_INTERVAL, const char* location=NULL );
uint32_t GetUpdateStatus();
bool UpdateOnly( uint32_t intervalMilliseconds = DEFAULT_RENDER_INTERVAL );
bool Render( uint32_t intervalMilliseconds = DEFAULT_RENDER_INTERVAL, const char* location=NULL );
uint32_t GetUpdateStatus();
bool UpdateOnly( uint32_t intervalMilliseconds = DEFAULT_RENDER_INTERVAL );