using System;using System.Collections.Specialized;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Reflection;using System.Text.RegularExpressions;using Microsoft.Win32;using System.IO;namespace AboutBoxDemo{ /// <summary> /// Generic, self-contained About Box dialog /// </summary> /// <remarks> /// Jeff Atwood /// http://www.codinghorror.com /// converted to C# by Scott Ferguson /// http://www.forestmoon.com /// </remarks> public partial class AboutBox : Form{public AboutBox(){InitializeComponent();}private bool _IsPainted = false;private string _EntryAssemblyName;private string _CallingAssemblyName;private string _ExecutingAssemblyName;private Assembly _EntryAssembly;private NameValueCollection _EntryAssemblyAttribCollection;private int _MinWindowHeight;// <summary>// returns the entry assembly for the current application domain// </summary>// <remarks>// This is usually read-only, but in some weird cases (Smart Client apps) // you won't have an entry assembly, so you may want to set this manually.// </remarks>public Assembly AppEntryAssembly{get{return _EntryAssembly;}set{_EntryAssembly = value;}}// <summary>// single line of text to show in the application title section of the about box dialog// </summary>// <remarks>// defaults to "%title%" // %title% = Assembly: AssemblyTitle// </remarks>public string AppTitle{get{return AppTitleLabel.Text;}set{AppTitleLabel.Text = value;}}// <summary>// single line of text to show in the description section of the about box dialog// </summary>// <remarks>// defaults to "%description%"// %description% = Assembly: AssemblyDescription// </remarks>public string AppDescription{get{return AppDescriptionLabel.Text;}set{if (value == ""){AppDescriptionLabel.Visible = false;}else{AppDescriptionLabel.Visible = true;AppDescriptionLabel.Text = value;}}}// <summary>// single line of text to show in the version section of the about dialog// </summary>// <remarks>// defaults to "Version %version%"// %version% = Assembly: AssemblyVersion// </remarks>public string AppVersion{get{return AppVersionLabel.Text;}set{if (value == ""){AppVersionLabel.Visible = false;}else{AppVersionLabel.Visible = true;AppVersionLabel.Text = value;}}}// <summary>// single line of text to show in the copyright section of the about dialog// </summary>// <remarks>// defaults to "Copyright ?%year%, %company%"// %company% = Assembly: AssemblyCompany// %year% = current 4-digit year// </remarks>public string AppCopyright{get{return AppCopyrightLabel.Text;}set{if (value == ""){AppCopyrightLabel.Visible = false;}else{AppCopyrightLabel.Visible = true;AppCopyrightLabel.Text = value;}}}// <summary>// intended for the default 32x32 application icon to appear in the upper left of the about dialog// </summary>// <remarks>// if you open this form using .ShowDialog(Owner), the icon can be derived from the owning form// </remarks>public Image AppImage{get{return ImagePictureBox.Image;}set{ImagePictureBox.Image = value;}}// <summary>// multiple lines of miscellaneous text to show in rich text box// </summary>// <remarks>// defaults to "%product% is %copyright%, %trademark%"// %product% = Assembly: AssemblyProduct// %copyright% = Assembly: AssemblyCopyright// %trademark% = Assembly: AssemblyTrademark// </remarks>public string AppMoreInfo{get{return MoreRichTextBox.Text;}set{if (value == null || value == ""){MoreRichTextBox.Visible = false;}else{MoreRichTextBox.Visible = true;MoreRichTextBox.Text = value;}}}// <summary>// determines if the "Details" (advanced assembly details) button is shown// </summary>public bool AppDetailsButton{get{return DetailsButton.Visible;}set{DetailsButton.Visible = value;}}// <summary>// exception-safe retrieval of LastWriteTime for this assembly.// </summary>// <returns>File.GetLastWriteTime, or DateTime.MaxValue if exception was encountered.</returns>private DateTime AssemblyLastWriteTime(Assembly a){if (a.Location == null || a.Location == "")return DateTime.MaxValue;try{return File.GetLastWriteTime(a.Location);}catch(Exception){return DateTime.MaxValue;}}// <summary>// returns DateTime this Assembly was last built. Will attempt to calculate from build number, if possible. // If not, the actual LastWriteTime on the assembly file will be returned.// </summary>// <param name="a">Assembly to get build date for</param>// <param name="ForceFileDate">Don't attempt to use the build number to calculate the date</param>// <returns>DateTime this assembly was last built</returns>private DateTime AssemblyBuildDate(Assembly a , bool ForceFileDate) {Version AssemblyVersion = a.GetName().Version;DateTime dt;if (ForceFileDate){dt = AssemblyLastWriteTime(a);}else{dt = DateTime.Parse("01/01/2000").AddDays(AssemblyVersion.Build).AddSeconds(AssemblyVersion.Revision * 2);if (TimeZone.IsDaylightSavingTime(dt, TimeZone.CurrentTimeZone.GetDaylightChanges(dt.Year))){dt = dt.AddHours(1);}if (dt > DateTime.Now || AssemblyVersion.Build < 730 || AssemblyVersion.Revision == 0){dt = AssemblyLastWriteTime(a);}}return dt;}// <summary>// returns string name / string value pair of all attribs// for specified assembly// </summary>// <remarks>// note that Assembly* values are pulled from AssemblyInfo file in project folder//// Trademark = AssemblyTrademark string// Debuggable = true// GUID = 7FDF68D5-8C6F-44C9-B391-117B5AFB5467// CLSCompliant = true// Product = AssemblyProduct string// Copyright = AssemblyCopyright string// Company = AssemblyCompany string// Description = AssemblyDescription string// Title = AssemblyTitle string// </remarks>private NameValueCollection AssemblyAttribs(Assembly a){string TypeName;string Name;string Value;NameValueCollection nvc = new NameValueCollection();Regex r = new Regex(@"(\.Assembly|\.)(?<Name>[^.]*)Attribute$", RegexOptions.IgnoreCase);foreach (object attrib in a.GetCustomAttributes(false)){TypeName = attrib.GetType().ToString();Name = r.Match(TypeName).Groups["Name"].ToString();Value = "";switch (TypeName){case "System.CLSCompliantAttribute":Value = ((CLSCompliantAttribute)attrib).IsCompliant.ToString(); break;case "System.Diagnostics.DebuggableAttribute":Value = ((System.Diagnostics.DebuggableAttribute)attrib).IsJITTrackingEnabled.ToString(); break;case "System.Reflection.AssemblyCompanyAttribute":Value = ((AssemblyCompanyAttribute)attrib).Company.ToString(); break;case "System.Reflection.AssemblyConfigurationAttribute":Value = ((AssemblyConfigurationAttribute)attrib).Configuration.ToString(); break;case "System.Reflection.AssemblyCopyrightAttribute":Value = ((AssemblyCopyrightAttribute)attrib).Copyright.ToString(); break;case "System.Reflection.AssemblyDefaultAliasAttribute":Value = ((AssemblyDefaultAliasAttribute)attrib).DefaultAlias.ToString(); break;case "System.Reflection.AssemblyDelaySignAttribute":Value = ((AssemblyDelaySignAttribute)attrib).DelaySign.ToString(); break;case "System.Reflection.AssemblyDescriptionAttribute":Value = ((AssemblyDescriptionAttribute)attrib).Description.ToString(); break;case "System.Reflection.AssemblyInformationalVersionAttribute":Value = ((AssemblyInformationalVersionAttribute)attrib).InformationalVersion.ToString(); break;case "System.Reflection.AssemblyKeyFileAttribute":Value = ((AssemblyKeyFileAttribute)attrib).KeyFile.ToString(); break;case "System.Reflection.AssemblyProductAttribute":Value = ((AssemblyProductAttribute)attrib).Product.ToString(); break;case "System.Reflection.AssemblyTrademarkAttribute":Value = ((AssemblyTrademarkAttribute)attrib).Trademark.ToString(); break;case "System.Reflection.AssemblyTitleAttribute":Value = ((AssemblyTitleAttribute)attrib).Title.ToString(); break;case "System.Resources.NeutralResourcesLanguageAttribute":Value = ((System.Resources.NeutralResourcesLanguageAttribute)attrib).CultureName.ToString(); break;case "System.Resources.SatelliteContractVersionAttribute":Value = ((System.Resources.SatelliteContractVersionAttribute)attrib).Version.ToString(); break;case "System.Runtime.InteropServices.ComCompatibleVersionAttribute":{System.Runtime.InteropServices.ComCompatibleVersionAttribute x;x = ((System.Runtime.InteropServices.ComCompatibleVersionAttribute)attrib);Value = x.MajorVersion "." x.MinorVersion "." x.RevisionNumber "." x.BuildNumber; break;}case "System.Runtime.InteropServices.ComVisibleAttribute":Value = ((System.Runtime.InteropServices.ComVisibleAttribute)attrib).Value.ToString(); break;case "System.Runtime.InteropServices.GuidAttribute":Value = ((System.Runtime.InteropServices.GuidAttribute)attrib).Value.ToString(); break;case "System.Runtime.InteropServices.TypeLibVersionAttribute":{System.Runtime.InteropServices.TypeLibVersionAttribute x;x = ((System.Runtime.InteropServices.TypeLibVersionAttribute)attrib);Value = x.MajorVersion "." x.MinorVersion; break;}case "System.Security.AllowPartiallyTrustedCallersAttribute":Value = "(Present)"; break;default:// debug.writeline("** unknown assembly attribute '" TypeName "'")Value = TypeName; break;}if (nvc[Name] == null){nvc.Add(Name, Value);}}// add some extra values that are not in the AssemblyInfo, but nice to have// codebasetry{nvc.Add("CodeBase", a.CodeBase.Replace("file:///", ""));}catch(NotSupportedException){nvc.Add("CodeBase", "(not supported)");}// build dateDateTime dt = AssemblyBuildDate(a, false);if (dt == DateTime.MaxValue){nvc.Add("BuildDate", "(unknown)");}else{nvc.Add("BuildDate", dt.ToString("yyyy-MM-dd hh:mm tt"));}// locationtry{nvc.Add("Location", a.Location);}catch(NotSupportedException){nvc.Add("Location", "(not supported)");}// versiontry{if (a.GetName().Version.Major == 0 && a.GetName().Version.Minor == 0){nvc.Add("Version", "(unknown)");}else{nvc.Add("Version", a.GetName().Version.ToString());}}catch(Exception){nvc.Add("Version", "(unknown)");}nvc.Add("FullName", a.FullName);return nvc;}// <summary>// reads an HKLM Windows Registry key value// </summary>private string RegistryHklmValue(string KeyName, string SubKeyRef){RegistryKey rk;try{rk = Registry.LocalMachine.OpenSubKey(KeyName);return (string)rk.GetValue(SubKeyRef, "");}catch(Exception){return "";}}// <summary>// launch the MSInfo "system information" application (works on XP, 2003, and Vista)// </summary>private void ShowSysInfo(){string strSysInfoPath = "";strSysInfoPath = RegistryHklmValue(@"SOFTWARE\Microsoft\Shared Tools Location", "MSINFO");if (strSysInfoPath == ""){strSysInfoPath = RegistryHklmValue(@"SOFTWARE\Microsoft\Shared Tools\MSINFO", "PATH");}if (strSysInfoPath == ""){MessageBox.Show("System Information is unavailable at this time." Environment.NewLine Environment.NewLine "(couldn't find path for Microsoft System Information Tool in the registry.)",Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);return;}try{System.Diagnostics.Process.Start(strSysInfoPath);}catch(Exception){MessageBox.Show("System Information is unavailable at this time." Environment.NewLine Environment.NewLine "(couldn't launch '" strSysInfoPath "')",Text, MessageBoxButtons.OK, MessageBoxIcon.Stop);}}// <summary>// populate a listview with the specified key and value strings// </summary>private void Populate(ListView lvw, string Key, string Value){if (Value == "")return;ListViewItem lvi = new ListViewItem();lvi.Text = Key;lvi.SubItems.Add(Value);lvw.Items.Add(lvi);}// <summary>// populates the Application Information listview// </summary>private void PopulateAppInfo(){AppDomain d = System.AppDomain.CurrentDomain;Populate(AppInfoListView, "Application Name", d.SetupInformation.ApplicationName);Populate(AppInfoListView, "Application Base", d.SetupInformation.ApplicationBase);Populate(AppInfoListView, "Cache Path", d.SetupInformation.CachePath);Populate(AppInfoListView, "Configuration File", d.SetupInformation.ConfigurationFile);Populate(AppInfoListView, "Dynamic Base", d.SetupInformation.DynamicBase);Populate(AppInfoListView, "Friendly Name", d.FriendlyName);Populate(AppInfoListView, "License File", d.SetupInformation.LicenseFile);Populate(AppInfoListView, "private Bin Path", d.SetupInformation.PrivateBinPath);Populate(AppInfoListView, "Shadow Copy Directories", d.SetupInformation.ShadowCopyDirectories);Populate(AppInfoListView, " ", " ");Populate(AppInfoListView, "Entry Assembly", _EntryAssemblyName);Populate(AppInfoListView, "Executing Assembly", _ExecutingAssemblyName);Populate(AppInfoListView, "Calling Assembly", _CallingAssemblyName);}// <summary>// populate Assembly Information listview with ALL assemblies// </summary>private void PopulateAssemblies(){foreach (Assembly a in AppDomain.CurrentDomain.GetAssemblies()){PopulateAssemblySummary(a);}AssemblyNamesComboBox.SelectedIndex = AssemblyNamesComboBox.FindStringExact(_EntryAssemblyName);}// <summary>// populate Assembly Information listview with summary view for a specific assembly// </summary>private void PopulateAssemblySummary(Assembly a){NameValueCollection nvc = AssemblyAttribs(a);string strAssemblyName = a.GetName().Name;ListViewItem lvi = new ListViewItem();lvi.Text = strAssemblyName;lvi.Tag = strAssemblyName;if (strAssemblyName == _CallingAssemblyName){lvi.Text = " (calling)";}if (strAssemblyName == _ExecutingAssemblyName){lvi.Text = " (executing)";}if (strAssemblyName == _EntryAssemblyName){lvi.Text = " (entry)";}lvi.SubItems.Add(nvc["version"]);lvi.SubItems.Add(nvc["builddate"]);lvi.SubItems.Add(nvc["codebase"]);//lvi.SubItems.Add(AssemblyVersion(a))//lvi.SubItems.Add(AssemblyBuildDatestring(a, true))//lvi.SubItems.Add(AssemblyCodeBase(a))AssemblyInfoListView.Items.Add(lvi);AssemblyNamesComboBox.Items.Add(strAssemblyName);}// <summary>// retrieves a cached value from the entry assembly attribute lookup collection// </summary>private string EntryAssemblyAttrib(string strName){if (_EntryAssemblyAttribCollection[strName] == null){return "<Assembly: Assembly" strName "(\"\")>";}else{return _EntryAssemblyAttribCollection[strName].ToString();}}// <summary>// Populate all the form labels with tokenized text// </summary>private void PopulateLabels(){// get entry assembly attribs_EntryAssemblyAttribCollection = AssemblyAttribs(_EntryAssembly);// set icon from parent, if presentif (Owner == null){ImagePictureBox.Visible = false;AppTitleLabel.Left = AppCopyrightLabel.Left;AppDescriptionLabel.Left = AppCopyrightLabel.Left;}else{Icon = Owner.Icon;ImagePictureBox.Image = Icon.ToBitmap();}// replace all labels and window titleText = ReplaceTokens(Text);AppTitleLabel.Text = ReplaceTokens(AppTitleLabel.Text);if (AppDescriptionLabel.Visible){AppDescriptionLabel.Text = ReplaceTokens(AppDescriptionLabel.Text);}if (AppCopyrightLabel.Visible){AppCopyrightLabel.Text = ReplaceTokens(AppCopyrightLabel.Text);}if (AppVersionLabel.Visible){AppVersionLabel.Text = ReplaceTokens(AppVersionLabel.Text);}if (AppDateLabel.Visible){AppDateLabel.Text = ReplaceTokens(AppDateLabel.Text);}if (MoreRichTextBox.Visible){MoreRichTextBox.Text = ReplaceTokens(MoreRichTextBox.Text);}}// <summary>// perform assemblyinfo to string replacements on labels// </summary>private string ReplaceTokens(string s){s = s.Replace("%title%", EntryAssemblyAttrib("title"));s = s.Replace("%copyright%", EntryAssemblyAttrib("copyright"));s = s.Replace("%description%", EntryAssemblyAttrib("description"));s = s.Replace("%company%", EntryAssemblyAttrib("company"));s = s.Replace("%product%", EntryAssemblyAttrib("product"));s = s.Replace("%trademark%", EntryAssemblyAttrib("trademark"));s = s.Replace("%year%", DateTime.Now.Year.ToString());s = s.Replace("%version%", EntryAssemblyAttrib("version"));s = s.Replace("%builddate%", EntryAssemblyAttrib("builddate"));return s;}// <summary>// populate details for a single assembly// </summary>private void PopulateAssemblyDetails(Assembly a, ListView lvw){lvw.Items.Clear();// this assembly property is only available in framework versions 1.1 Populate(lvw, "Image Runtime Version", a.ImageRuntimeVersion);Populate(lvw, "Loaded from GAC", a.GlobalAssemblyCache.ToString());NameValueCollection nvc = AssemblyAttribs(a);foreach (string strKey in nvc){Populate(lvw, strKey, nvc[strKey]);}}// <summary>// matches assembly by Assembly.GetName.Name; returns nothing if no match// </summary>private Assembly MatchAssemblyByName(string AssemblyName){foreach (Assembly a in AppDomain.CurrentDomain.GetAssemblies()){if (a.GetName().Name == AssemblyName){return a;}}return null;}// <summary>// things to do when form is loaded// </summary>private void AboutBox_Load(object sender, EventArgs e){// if the user didn't provide an assembly, try to guess which one is the entry assemblyif (_EntryAssembly == null){_EntryAssembly = Assembly.GetEntryAssembly();}if (_EntryAssembly == null){_EntryAssembly = Assembly.GetExecutingAssembly();}_ExecutingAssemblyName = Assembly.GetExecutingAssembly().GetName().Name;_CallingAssemblyName = Assembly.GetCallingAssembly().GetName().Name;try{// for web hosted apps, GetEntryAssembly = nothing_EntryAssemblyName = Assembly.GetEntryAssembly().GetName().Name;}catch(Exception){}_MinWindowHeight = AppCopyrightLabel.Top AppCopyrightLabel.Height OKButton.Height 30;TabPanelDetails.Visible = false;if (!MoreRichTextBox.Visible){Height = Height - MoreRichTextBox.Height;}}// <summary>// things to do when form is FIRST painted// </summary>private void AboutBox_Paint(object sender, PaintEventArgs e){if (!_IsPainted){_IsPainted = true;Application.DoEvents();Cursor.Current = Cursors.WaitCursor;PopulateLabels();Cursor.Current = Cursors.Default;}}// <summary>// expand about dialog to show additional advanced details// </summary>private void DetailsButton_Click(object sender, EventArgs e){Cursor.Current = Cursors.WaitCursor;DetailsButton.Visible = false;SuspendLayout();MaximizeBox = true;FormBorderStyle = FormBorderStyle.Sizable;SizeGripStyle = SizeGripStyle.Show;Size = new Size(580, Size.Height 200);MoreRichTextBox.Visible = false;TabPanelDetails.Visible = true;SysInfoButton.Visible = true;PopulateAssemblies();PopulateAppInfo();CenterToParent();ResumeLayout();Cursor.Current = Cursors.Default;}// <summary>// for detailed system info, launch the external Microsoft system info app// </summary>private void SysInfoButton_Click(object sender, EventArgs e){ShowSysInfo();}// <summary>// if an assembly is double-clicked, go to the detail page for that assembly// </summary>private void AssemblyInfoListView_DoubleClick(object sender, EventArgs e){string strAssemblyName;if (AssemblyInfoListView.SelectedItems.Count > 0){strAssemblyName = Convert.ToString(AssemblyInfoListView.SelectedItems[0].Tag);AssemblyNamesComboBox.SelectedIndex = AssemblyNamesComboBox.FindStringExact(strAssemblyName);TabPanelDetails.SelectedTab = TabPageAssemblyDetails;}}// <summary>// if a new assembly is selected from the combo box, show details for that assembly// </summary>private void AssemblyNamesComboBox_SelectedIndexChanged(object sender, EventArgs e){string strAssemblyName = Convert.ToString(AssemblyNamesComboBox.SelectedItem);PopulateAssemblyDetails(MatchAssemblyByName(strAssemblyName), AssemblyDetailsListView);}// <summary>// sort the assembly list by column// </summary>private void AssemblyInfoListView_ColumnClick(object sender, ColumnClickEventArgs e){int intTargetCol = e.Column 1;if (AssemblyInfoListView.Tag != null){if (Math.Abs(Convert.ToInt32(AssemblyInfoListView.Tag)) == intTargetCol){intTargetCol = -Convert.ToInt32(AssemblyInfoListView.Tag);}}AssemblyInfoListView.Tag = intTargetCol;AssemblyInfoListView.ListViewItemSorter = new ListViewItemComparer(intTargetCol, true);}// <summary>// launch any http:// or mailto: links clicked in the body of the rich text box// </summary>private void MoreRichTextBox_LinkClicked(object sender, LinkClickedEventArgs e){try{System.Diagnostics.Process.Start(e.LinkText);}catch (Exception){}}// <summary>// things to do when the selected tab is changed// </summary>class ListViewItemComparer : System.Collections.IComparer{private int _intCol;private bool _IsAscending = true;public ListViewItemComparer(){_intCol = 0;_IsAscending = true;}public ListViewItemComparer(int column, bool ascending){if (column < 0){_IsAscending = false;}else{_IsAscending = ascending;}_intCol = Math.Abs(column) - 1;}public int Compare(object x, object y){int intResult =string.Compare(((ListViewItem)x).SubItems[_intCol].Text, ((ListViewItem)y).SubItems[_intCol].Text);if (_IsAscending){return intResult;}else{return -intResult;}}}private void TabPanelDetails_SelectedIndexChanged(object sender, EventArgs e){if (TabPanelDetails.SelectedTab == TabPageAssemblyDetails)AssemblyNamesComboBox.Focus();}}}
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