C# StreamWriter.WriteElementString方法代码示例

//.........这里部分代码省略.........
                List<Hook> HooksforExcel = Hooks.ToList<Hook>();

                //ExcelFileWriter<Hook> myExcel = new ExcelWrite();
                //myExcel.WriteDateToExcel(@"C:\TEMP\myExcel.xls", HooksforExcel, "A1", "D1");

                // Landmark is detected by trackers
                // Landmark is pushed to method for extracting content from DB
                // This can happen either here or in openframeworks
                // Once content is extracted it must be sequenced on the basis of :
                // Time to play each item : Once one item is played for a certain preset amount of time extract the next from DB
                // Time calculation in openframeworks:
                // Update loop and draw loop

                // The sensing modules exist on this side. So Hooks are selected here and published onto the interface between OF and Encounter#
                // Hooks are read by OF and sequenced according to time parameters in OF

                //Two kinds of time parameters in OF:
                // Amount of time video must be played for
                // Amount of time a hook should be shown for

                // How does timing fit into the update and draw cycles?
                // Use a timer, counting seconds until a value is reached
                // Validation for time count can be executed at every loop update

                // Update should contain a timing module where all the timing logic can be placed

                // Objects required in OF
                // OF has to handle video placement, playback and sequencing
                // OF has to handle Hook placement, sequencing and timing
                // OF has to handle visual blocks with animated elements

                Console.WriteLine("Stream detection live now:");
                stream_for_landmark.MatchingTweetReceived += (sender, arg) =>
                {

                    // Storing the tweet
                    string tweet = arg.Tweet.ToString();

                    // Searching through tweet to find relevant landmark
                    Landmark detectedlandmark = Find_tweeted_landmark(Landmarks, tweet);

                    // Getting the hook categories that the landmark satisfies
                    string[] relevantHookCategories = detectedlandmark.Categories;

                    // Writing detected landmark to text file interface between here and OF
                    using (StreamWriter writer = new StreamWriter(rootdirectory + @"Project Encounter\Package\Config_Interfaces\TriggeredLandmark.txt", false))
                    {
                        writer.Write(detectedlandmark.Name);
                    }

                    // Selecting hooks that belong to the relevant categories corresponding to the landmark
                    List<Hook> RelevantHooks = new List<Hook>();
                    foreach (string category in relevantHookCategories)
                    {
                        RelevantHooks.AddRange((from item in Hooks
                                                where item.category == category
                                                select item).ToArray());
                    }

                    // Storing current sensor values
                    DayorNight = landingzone.DayOrNight();
                    Weather = Sensors.WeatherSense.SunnyOrCloudy();

                    // Further filtering hooks based on sensor values
                    List<Hook> RelevantHooksSensorFilters = new List<Hook>();
                    RelevantHooksSensorFilters.AddRange(from hook in RelevantHooks
                                                        where hook.timeofday.Contains(DayorNight) && hook.weather.Contains(Weather)
                                                        select hook);

                    // Writing the selected hooks to an XML to be read in by OF
                    using (XmlWriter writer = XmlWriter.Create(rootdirectory + @"Project Encounter\of_v0.8.4_vs_release\apps\myApps\OpenEncounters\bin\dataHooks.xml"))
                    {
                        writer.WriteStartDocument();
                        writer.WriteStartElement("Filtered_hooks");
                        foreach (Hook item in RelevantHooksSensorFilters)
                        {
                            writer.WriteStartElement("Hook");
                            writer.WriteElementString("text", item.text);
                            writer.WriteElementString("category", item.category);
                            writer.WriteElementString("weather", item.weather);
                            writer.WriteElementString("timeofday", item.timeofday);
                            writer.WriteElementString("font", item.font);
                            writer.WriteEndElement();
                        }
                        writer.WriteEndElement();
                        writer.WriteEndDocument();
                    }

                    Console.WriteLine(tweet);
                    Console.WriteLine();
                    Console.Write("Landmark Triggered:"); Console.Write(detectedlandmark.Name);
                    Console.WriteLine();

                    //System.Threading.Thread.Sleep(
                        //(int)System.TimeSpan.FromSeconds(30).TotalMilliseconds);
                };

                // Starting twitter stream detection
                stream_for_landmark.StartStreamMatchingAllConditions();
        }