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WinGui:
[handbrake-jp/handbrake-jp-git.git] / win / C# / Functions / Main.cs
index f8600d3..d2e136a 100644 (file)
@@ -1,34 +1,38 @@
-/*  Common.cs $\r
+/*  Main.cs $\r
        \r
           This file is part of the HandBrake source code.\r
           Homepage: <http://handbrake.fr>.\r
           It may be used under the terms of the GNU General Public License. */\r
 \r
 using System;\r
-using System.Collections;\r
-using System.Text;\r
 using System.Windows.Forms;\r
-using System.Globalization;\r
 using System.IO;\r
-using System.Drawing;\r
 using System.Diagnostics;\r
 using System.Text.RegularExpressions;\r
+using System.Collections.Generic;\r
+using System.Xml.Serialization;\r
+using System.Threading;\r
+using Handbrake.EncodeQueue;\r
+using System.Net;\r
 \r
 namespace Handbrake.Functions\r
 {\r
-    class Main\r
+    static class Main\r
     {\r
+        // Private Variables\r
+        private static readonly XmlSerializer ser = new XmlSerializer(typeof(List<Job>));\r
+\r
         /// <summary>\r
         /// Calculate the duration of the selected title and chapters\r
         /// </summary>\r
-        public TimeSpan calculateDuration(string chapter_start, string chapter_end, Parsing.Title selectedTitle)\r
+        public static TimeSpan calculateDuration(string chapter_start, string chapter_end, Parsing.Title selectedTitle)\r
         {\r
             TimeSpan Duration = TimeSpan.FromSeconds(0.0);\r
 \r
             // Get the durations between the 2 chapter points and add them together.\r
             if (chapter_start != "Auto" && chapter_end != "Auto")\r
             {\r
-                int start_chapter, end_chapter = 0;\r
+                int start_chapter, end_chapter;\r
                 int.TryParse(chapter_start, out start_chapter);\r
                 int.TryParse(chapter_end, out end_chapter);\r
 \r
@@ -51,70 +55,23 @@ namespace Handbrake.Functions
         }\r
 \r
         /// <summary>\r
-        /// Calculate the non-anamorphic resoltuion of the source\r
-        /// </summary>\r
-        /// <param name="width"></param>\r
-        /// <returns></returns>\r
-        public int cacluateNonAnamorphicHeight(int width, decimal top, decimal bottom, decimal left, decimal right, Parsing.Title selectedTitle)\r
-        {\r
-            float aspect = selectedTitle.AspectRatio;\r
-            int aw;\r
-            int ah;\r
-            if (aspect.ToString() == "1.78")\r
-            {\r
-                aw = 16;\r
-                ah = 9;\r
-            }\r
-            else\r
-            {\r
-                aw = 4;\r
-                ah = 3;\r
-            }\r
-\r
-            double a = width * selectedTitle.Resolution.Width * ah * (selectedTitle.Resolution.Height - (double)top - (double)bottom);\r
-            double b = selectedTitle.Resolution.Height * aw * (selectedTitle.Resolution.Width - (double)left - (double)right);\r
-\r
-            double y = a / b;\r
-\r
-            // If it's not Mod 16, make it mod 16\r
-            if ((y % 16) != 0)\r
-            {\r
-                double mod16 = y % 16;\r
-                if (mod16 >= 8)\r
-                {\r
-                    mod16 = 16 - mod16;\r
-                    y = y + mod16;\r
-                }\r
-                else\r
-                {\r
-                    y = y - mod16;\r
-                }\r
-            }\r
-\r
-            //16 * (421 / 16)\r
-            //double z = ( 16 * (( y + 8 ) / 16 ) );\r
-            int x = int.Parse(y.ToString());\r
-            return x;\r
-        }\r
-\r
-        /// <summary>\r
         /// Select the longest title in the DVD title dropdown menu on frmMain\r
         /// </summary>\r
-        public Handbrake.Parsing.Title selectLongestTitle(ComboBox drp_dvdtitle)\r
+        public static Parsing.Title selectLongestTitle(ComboBox drp_dvdtitle)\r
         {\r
             int current_largest = 0;\r
-            Handbrake.Parsing.Title title2Select;\r
+            Parsing.Title title2Select;\r
 \r
             // Check if there are titles in the DVD title dropdown menu and make sure, it's not just "Automatic"\r
             if (drp_dvdtitle.Items[0].ToString() != "Automatic")\r
-                title2Select = (Handbrake.Parsing.Title)drp_dvdtitle.Items[0];\r
+                title2Select = (Parsing.Title)drp_dvdtitle.Items[0];\r
             else\r
                 title2Select = null;\r
 \r
             // So, If there are titles in the DVD Title dropdown menu, lets select the longest.\r
             if (title2Select != null)\r
             {\r
-                foreach (Handbrake.Parsing.Title x in drp_dvdtitle.Items)\r
+                foreach (Parsing.Title x in drp_dvdtitle.Items)\r
                 {\r
                     string title = x.ToString();\r
                     if (title != "Automatic")\r
@@ -150,241 +107,325 @@ namespace Handbrake.Functions
         /// <summary>\r
         /// Set's up the DataGridView on the Chapters tab (frmMain)\r
         /// </summary>\r
-        /// <param name="mainWindow"></param>\r
-        public DataGridView chapterNaming(DataGridView data_chpt, string chapter_start, string chapter_end)\r
+        public static DataGridView chapterNaming(DataGridView data_chpt, string chapter_end)\r
         {\r
-            try\r
-            {\r
-                int i = 0;\r
-                int rowCount = 0;\r
-                int start = 0;\r
-                int finish = 0;\r
-                if (chapter_end != "Auto")\r
-                    finish = int.Parse(chapter_end);\r
+            int i = 0, finish = 0;\r
 \r
-                if (chapter_start != "Auto")\r
-                    start = int.Parse(chapter_start);\r
+            if (chapter_end != "Auto")\r
+                int.TryParse(chapter_end, out finish);\r
 \r
-                rowCount = finish - (start - 1);\r
-\r
-                while (i < rowCount)\r
-                {\r
-                    DataGridViewRow row = new DataGridViewRow();\r
-\r
-                    data_chpt.Rows.Insert(i, row);\r
-                    data_chpt.Rows[i].Cells[0].Value = (i + 1);\r
-                    data_chpt.Rows[i].Cells[1].Value = "Chapter " + (i + 1);\r
-                    i++;\r
-                }\r
-                return data_chpt;\r
-            }\r
-            catch (Exception exc)\r
+            while (i < finish)\r
             {\r
-                MessageBox.Show("chapterNaming() Error has occured: \n" + exc.ToString());\r
-                return null;\r
+                int n = data_chpt.Rows.Add();\r
+                data_chpt.Rows[n].Cells[0].Value = (i + 1);\r
+                data_chpt.Rows[n].Cells[1].Value = "Chapter " + (i + 1);\r
+                data_chpt.Rows[n].Cells[0].ValueType = typeof(int);\r
+                data_chpt.Rows[n].Cells[1].ValueType = typeof(string);\r
+                i++;\r
             }\r
+\r
+            return data_chpt;\r
         }\r
 \r
         /// <summary>\r
         /// Function which generates the filename and path automatically based on \r
         /// the Source Name, DVD title and DVD Chapters\r
         /// </summary>\r
-        /// <param name="mainWindow"></param>\r
-        public string autoName(ComboBox drp_dvdtitle, string chapter_start, string chatper_end, string source, string dest, int format)\r
+        public static string autoName(ComboBox drp_dvdtitle, string chapter_start, string chatper_end, string source, string dest, int format)\r
         {\r
-\r
             string AutoNamePath = string.Empty;\r
-\r
             if (drp_dvdtitle.Text != "Automatic")\r
             {\r
-                // Todo: This code is a tad messy. Clean it up at some point.\r
-                // Get the Source Name\r
-                string[] sourceName = source.Split('\\');\r
-                source = sourceName[sourceName.Length - 1].Replace(".iso", "").Replace(".mpg", "").Replace(".ts", "").Replace(".ps", "");\r
+                // Get the Source Name \r
+                string sourceName = Path.GetFileNameWithoutExtension(source);\r
 \r
                 // Get the Selected Title Number\r
-                string title = drp_dvdtitle.Text;\r
-                string[] titlesplit = title.Split(' ');\r
-                title = titlesplit[0];\r
+                string[] titlesplit = drp_dvdtitle.Text.Split(' ');\r
+                string dvdTitle = titlesplit[0].Replace("Automatic", "");\r
 \r
                 // Get the Chapter Start and Chapter End Numbers\r
-                string cs = chapter_start;\r
-                string cf = chatper_end;\r
-\r
-                // Just incase the above are set to their default Automatic values, set the varible to ""\r
-                if (title == "Automatic")\r
-                    title = "";\r
-                if (cs == "Auto")\r
-                    cs = "";\r
-                if (cf == "Auto")\r
-                    cf = "";\r
-\r
-                // If both CS and CF are populated, set the dash varible\r
-                string dash = "";\r
-                if (cf != "Auto")\r
-                    dash = "-";\r
+                string chapterStart = chapter_start.Replace("Auto", "");\r
+                string chapterFinish = chatper_end.Replace("Auto", "");\r
+                string combinedChapterTag = chapterStart;\r
+                if (chapterFinish != chapterStart && chapterFinish != "")\r
+                    combinedChapterTag = chapterStart + "-" + chapterFinish;\r
 \r
                 // Get the destination filename.\r
-                string destination_filename = "";\r
+                string destination_filename;\r
                 if (Properties.Settings.Default.autoNameFormat != "")\r
                 {\r
                     destination_filename = Properties.Settings.Default.autoNameFormat;\r
-                    destination_filename = destination_filename.Replace("{source}", source).Replace("{title}", title).Replace("{chapters}", cs + dash + cf);\r
+                    destination_filename = destination_filename.Replace("{source}", sourceName).Replace("{title}", dvdTitle).Replace("{chapters}", combinedChapterTag);\r
                 }\r
                 else\r
-                    destination_filename = source + "_T" + title + "_C" + cs + dash + cf;\r
+                    destination_filename = sourceName + "_T" + dvdTitle + "_C" + combinedChapterTag;\r
 \r
-                // If the text box is blank\r
-                if (!dest.Contains("\\"))\r
+                // Add the appropriate file extension\r
+                if (format == 0)\r
                 {\r
-                    string filePath = "";\r
-                    if (Properties.Settings.Default.autoNamePath.Trim() != "")\r
-                    {\r
-                        if (Properties.Settings.Default.autoNamePath.Trim() != "Click 'Browse' to set the default location")\r
-                            filePath = Properties.Settings.Default.autoNamePath + "\\";\r
-                    }\r
+                    if (Properties.Settings.Default.useM4v)\r
+                        destination_filename += ".m4v";\r
+                    else\r
+                        destination_filename += ".mp4";\r
+                }\r
+                else if (format == 1)\r
+                    destination_filename += ".mkv";\r
 \r
-                    if (format == 0)\r
-                        AutoNamePath = filePath + destination_filename + ".mp4";\r
-                    else if (format == 1)\r
-                        AutoNamePath = filePath + destination_filename + ".m4v";\r
-                    else if (format == 2)\r
-                        AutoNamePath = filePath + destination_filename + ".mkv";\r
-                    else if (format == 3)\r
-                        AutoNamePath = filePath + destination_filename + ".avi";\r
-                    else if (format == 4)\r
-                        AutoNamePath = filePath + destination_filename + ".ogm";\r
+                // Now work out the path where the file will be stored.\r
+                // First case: If the destination box doesn't already contain a path, make one.\r
+                if (!dest.Contains(Path.DirectorySeparatorChar.ToString()))\r
+                {\r
+                    // If there is an auto name path, use it...\r
+                    if (Properties.Settings.Default.autoNamePath.Trim() != "" && Properties.Settings.Default.autoNamePath.Trim() != "Click 'Browse' to set the default location")\r
+                        AutoNamePath = Path.Combine(Properties.Settings.Default.autoNamePath, destination_filename);\r
+                    else // ...otherwise, output to the source directory\r
+                        AutoNamePath = null;\r
                 }\r
-                else // If the text box already has a path and file\r
+                else // Otherwise, use the path that is already there.\r
                 {\r
-                    string destination = AutoNamePath;\r
-                    string[] destName = dest.Split('\\');\r
-                    string[] extension = dest.Split('.');\r
-                    string ext = extension[extension.Length - 1];\r
+                    // Use the path and change the file extension to match the previous destination\r
+                    AutoNamePath = Path.Combine(Path.GetDirectoryName(dest), destination_filename);\r
+                    AutoNamePath = Path.ChangeExtension(AutoNamePath, Path.GetExtension(dest));\r
+                }\r
+            }\r
 \r
-                    destName[destName.Length - 1] = destination_filename + "." + ext;\r
+            return AutoNamePath;\r
+        }\r
 \r
-                    string fullDest = "";\r
-                    foreach (string part in destName)\r
+        /// <summary>\r
+        /// Get's HandBrakes version data from the CLI.\r
+        /// </summary>\r
+        /// <returns>Arraylist of Version Data. 0 = hb_version 1 = hb_build</returns>\r
+        public static void setCliVersionData()\r
+        {\r
+            String line;\r
+\r
+            // 0 = SVN Build / Version\r
+            // 1 = Build Date\r
+            Process cliProcess = new Process();\r
+            ProcessStartInfo handBrakeCLI = new ProcessStartInfo("HandBrakeCLI.exe", " -u")\r
+                                                {\r
+                                                    UseShellExecute = false,\r
+                                                    RedirectStandardError = true,\r
+                                                    RedirectStandardOutput = true,\r
+                                                    CreateNoWindow = true\r
+                                                };\r
+            cliProcess.StartInfo = handBrakeCLI;\r
+\r
+            try\r
+            {\r
+                cliProcess.Start();\r
+                // Retrieve standard output and report back to parent thread until the process is complete\r
+                TextReader stdOutput = cliProcess.StandardError;\r
+\r
+                while (!cliProcess.HasExited)\r
+                {\r
+                    line = stdOutput.ReadLine() ?? "";\r
+                    Match m = Regex.Match(line, @"HandBrake ([0-9.]*)(svn[0-9M]*) \([0-9]*\)");\r
+\r
+                    if (m.Success)\r
                     {\r
-                        if (fullDest != "")\r
-                            fullDest = fullDest + "\\" + part;\r
-                        else\r
-                            fullDest = fullDest + part;\r
+                        string data = line.Replace("(", "").Replace(")", "").Replace("HandBrake ", "");\r
+                        string[] arr = data.Split(' ');\r
+\r
+                        Properties.Settings.Default.hb_build = int.Parse(arr[1]);\r
+                        Properties.Settings.Default.hb_version = arr[0];\r
+                    }\r
+                    if (cliProcess.TotalProcessorTime.Seconds > 10) // Don't wait longer than 10 seconds.\r
+                    {\r
+                        Process cli = Process.GetProcessById(cliProcess.Id);\r
+                        if (!cli.HasExited)\r
+                            cli.Kill();\r
                     }\r
-                    return fullDest;\r
                 }\r
             }\r
-            return AutoNamePath;\r
+            catch (Exception e)\r
+            {\r
+                MessageBox.Show("Unable to retrieve version information from the CLI. \nError:\n" + e);\r
+            }\r
         }\r
 \r
         /// <summary>\r
-        /// Checks for updates and returns true if an update is available.\r
+        /// Check if the queue recovery file contains records.\r
+        /// If it does, it means the last queue did not complete before HandBrake closed.\r
+        /// So, return a boolean if true. \r
         /// </summary>\r
-        /// <param name="debug">Turns on debug mode. Don't use on program startup</param>\r
-        /// <returns>Boolean True = Update available</returns>\r
-        public Boolean updateCheck(Boolean debug)\r
+        public static Boolean check_queue_recovery()\r
         {\r
             try\r
             {\r
-                Functions.AppcastReader rssRead = new Functions.AppcastReader();\r
-                rssRead.getInfo(); // Initializes the class.\r
-                string build = rssRead.build();\r
-\r
-                int latest = int.Parse(build);\r
-                int current = Properties.Settings.Default.hb_build;\r
-                int skip = Properties.Settings.Default.skipversion;\r
-\r
-                if (latest == skip)\r
-                    return false;\r
-                else\r
+                string tempPath = Path.Combine(Path.GetTempPath(), "hb_queue_recovery.xml");\r
+                if (File.Exists(tempPath))\r
                 {\r
-                    Boolean update = (latest > current);\r
-                    return update;\r
+                    using (FileStream strm = new FileStream(tempPath, FileMode.Open, FileAccess.Read))\r
+                    {\r
+                        List<Job> list = ser.Deserialize(strm) as List<Job>;\r
+                        if (list != null)\r
+                            if (list.Count != 0)\r
+                                return true;\r
+                    }\r
                 }\r
+                return false;\r
             }\r
-            catch (Exception exc)\r
+            catch (Exception)\r
             {\r
-                if (debug == true)\r
-                    MessageBox.Show("Unable to check for updates, Please try again later. \n" + exc.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
-                return false;\r
+                return false; // Keep quiet about the error.\r
             }\r
         }\r
 \r
         /// <summary>\r
-        /// Get's HandBrakes version data from the CLI.\r
+        /// Get the Process ID of HandBrakeCLI for the current instance.\r
         /// </summary>\r
-        /// <returns>Arraylist of Version Data. 0 = hb_version 1 = hb_build</returns>\r
-        public ArrayList getCliVersionData()\r
+        /// <param name="before">List of processes before the new process was started</param>\r
+        /// <returns>Int - Process ID</returns>\r
+        public static int getCliProcess(Process[] before)\r
         {\r
-            ArrayList cliVersionData = new ArrayList();\r
-            // 0 = SVN Build / Version\r
-            // 1 = Build Date\r
+            // This is a bit of a cludge. Maybe someone has a better idea on how to impliment this.\r
+            // Since we used CMD to start HandBrakeCLI, we don't get the process ID from hbProc.\r
+            // Instead we take the processes before and after, and get the ID of HandBrakeCLI.exe\r
+            // avoiding any previous instances of HandBrakeCLI.exe in before.\r
+            // Kill the current process.\r
 \r
-            Process cliProcess = new Process();\r
-            ProcessStartInfo handBrakeCLI = new ProcessStartInfo("HandBrakeCLI.exe", " -u");\r
-            handBrakeCLI.UseShellExecute = false;\r
-            handBrakeCLI.RedirectStandardError = true;\r
-            handBrakeCLI.RedirectStandardOutput = true;\r
-            handBrakeCLI.CreateNoWindow = true;\r
-            cliProcess.StartInfo = handBrakeCLI;\r
-            cliProcess.Start();\r
+            Process[] hbProcesses = Process.GetProcessesByName("HandBrakeCLI");\r
 \r
-            // Retrieve standard output and report back to parent thread until the process is complete\r
-            String line;\r
-            TextReader stdOutput = cliProcess.StandardError;\r
-\r
-            while (!cliProcess.HasExited)\r
+            // Another hack. We maybe need to wait a few seconds for HandBrakeCLI to launch\r
+            if (hbProcesses.Length == 0)\r
             {\r
-                line = stdOutput.ReadLine();\r
-                if (line == null) line = "";\r
-                Match m = Regex.Match(line, @"HandBrake ([0-9\.]*)*(svn[0-9]*[M]*)* \([0-9]*\)");\r
+                Thread.Sleep(2000);\r
+                hbProcesses = Process.GetProcessesByName("HandBrakeCLI");\r
+            }\r
 \r
-                if (m.Success != false)\r
+            Process hbProcess = null;\r
+            if (hbProcesses.Length > 0)\r
+                foreach (Process process in hbProcesses)\r
                 {\r
-                    string data = line.Replace("(", "").Replace(")", "").Replace("HandBrake ", "");\r
-                    string[] arr = data.Split(' ');\r
-                    cliVersionData.Add(arr[0]);\r
-                    cliVersionData.Add(arr[1]);\r
-                    return cliVersionData;\r
+                    Boolean found = false;\r
+                    // Check if the current CLI instance was running before we started the current one\r
+                    foreach (Process bprocess in before)\r
+                    {\r
+                        if (process.Id == bprocess.Id)\r
+                            found = true;\r
+                    }\r
+\r
+                    // If it wasn't running before, we found the process we want.\r
+                    if (!found)\r
+                    {\r
+                        hbProcess = process;\r
+                        break;\r
+                    }\r
                 }\r
-            }\r
-            return null;\r
+            if (hbProcess != null)\r
+                return hbProcess.Id;\r
+\r
+            return -1;\r
         }\r
 \r
         /// <summary>\r
-        /// Check if the queue recovery file contains records.\r
-        /// If it does, it means the last queue did not complete before HandBrake closed.\r
-        /// So, return a boolean if true. \r
+        ///  Clear all the encode log files.\r
         /// </summary>\r
-        public Boolean check_queue_recovery()\r
+        public static void clearLogs()\r
         {\r
-            try\r
+            string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
+            if (Directory.Exists(logDir))\r
             {\r
-                string tempPath = Path.Combine(Path.GetTempPath(), "hb_queue_recovery.dat");\r
-                using (StreamReader reader = new StreamReader(tempPath))\r
+                DirectoryInfo info = new DirectoryInfo(logDir);\r
+                FileInfo[] logFiles = info.GetFiles("*.txt");\r
+                foreach (FileInfo file in logFiles)\r
                 {\r
-                    string queue_item = reader.ReadLine();\r
-                    if (queue_item == null)\r
+                    if (!file.Name.Contains("last_scan_log") && !file.Name.Contains("last_encode_log") && !file.Name.Contains("tmp_appReadable_log.txt"))\r
                     {\r
-                        reader.Close();\r
-                        reader.Dispose();\r
-                        return false;\r
+                        File.Delete(file.FullName);\r
                     }\r
-                    else // There exists an item in the recovery queue file, so try and recovr it.\r
+                }\r
+            }\r
+        }\r
+\r
+        /// <summary>\r
+        /// Begins checking for an update to HandBrake.\r
+        /// </summary>\r
+        /// <param name="callback">The method that will be called when the check is finished.</param>\r
+        /// <param name="debug">Whether or not to execute this in debug mode.</param>\r
+        public static void BeginCheckForUpdates(AsyncCallback callback, bool debug)\r
+        {\r
+            ThreadPool.QueueUserWorkItem(new WaitCallback(delegate\r
+            {\r
+                try\r
+                {\r
+                    // Is this a stable or unstable build?\r
+                    string url = Properties.Settings.Default.hb_build.ToString().EndsWith("1") ? Properties.Settings.Default.appcast_unstable : Properties.Settings.Default.appcast;\r
+\r
+                    // Initialize variables\r
+                    WebRequest request = WebRequest.Create(url);\r
+                    WebResponse response = request.GetResponse();\r
+                    AppcastReader reader = new AppcastReader();\r
+\r
+                    // Get the data, convert it to a string, and parse it into the AppcastReader\r
+                    reader.getInfo(new StreamReader(response.GetResponseStream()).ReadToEnd());\r
+\r
+                    // Further parse the information\r
+                    string build = reader.build;\r
+\r
+                    int latest = int.Parse(build);\r
+                    int current = Properties.Settings.Default.hb_build;\r
+                    int skip = Properties.Settings.Default.skipversion;\r
+\r
+                    // If the user wanted to skip this version, don't report the update\r
+                    if (latest == skip)\r
                     {\r
-                        reader.Close();\r
-                        reader.Dispose();\r
-                        return true;\r
+                        UpdateCheckInformation info = new UpdateCheckInformation() { NewVersionAvailable = false, BuildInformation = null };\r
+                        callback(new UpdateCheckResult(debug, info));\r
+                        return;\r
                     }\r
+\r
+                    // Set when the last update was\r
+                    Properties.Settings.Default.lastUpdateCheckDate = DateTime.Now;\r
+                    Properties.Settings.Default.Save();\r
+\r
+                    UpdateCheckInformation info2 = new UpdateCheckInformation() { NewVersionAvailable = latest > current, BuildInformation = reader };\r
+                    callback(new UpdateCheckResult(debug, info2));\r
                 }\r
-            }\r
-            catch (Exception)\r
+                catch (Exception exc)\r
+                {\r
+                    callback(new UpdateCheckResult(debug, new UpdateCheckInformation() { Error = exc }));\r
+                }\r
+            }));\r
+        }\r
+\r
+        /// <summary>\r
+        /// \r
+        /// </summary>\r
+        /// <param name="result"></param>\r
+        /// <returns></returns>\r
+        public static UpdateCheckInformation EndCheckForUpdates(IAsyncResult result)\r
+        {\r
+            UpdateCheckResult checkResult = (UpdateCheckResult)result;\r
+            return checkResult.Result;\r
+        }\r
+\r
+        /// <summary>\r
+        /// Used in EndUpdateCheck() for update checking and the IAsyncResult design pattern.\r
+        /// </summary>\r
+        private class UpdateCheckResult : IAsyncResult\r
+        {\r
+            public UpdateCheckResult(object asyncState, UpdateCheckInformation info)\r
             {\r
-                // Keep quiet about the error.\r
-                return false;\r
+                AsyncState = asyncState;\r
+                Result = info;\r
             }\r
-        }\r
 \r
+            /// <summary>\r
+            /// Gets whether the check was executed in debug mode.\r
+            /// </summary>\r
+            public object AsyncState { get; private set; }\r
+\r
+            /// <summary>\r
+            /// Gets the result of the update check.\r
+            /// </summary>\r
+            public UpdateCheckInformation Result { get; private set; }\r
+\r
+            public WaitHandle AsyncWaitHandle { get { throw new NotImplementedException(); } }\r
+            public bool CompletedSynchronously { get { throw new NotImplementedException(); } }\r
+            public bool IsCompleted { get { throw new NotImplementedException(); } }\r
+        }\r
     }\r
-}
\ No newline at end of file
+}\r