More useful version information on options page

Include both the assembly version and the file version, as the assembly version is fixed (i.e. 4.7.49 and 4.7.54 are both file versions of StyleCop.dll - the assembly version is 4.7.1000)

Author: citizenmatt

install/StyleCop.nuspec

@@ -3,15 +3,18 @@
   <metadata>
     <id>StyleCop.StyleCop</id>
     <title>StyleCop by JetBrains</title>
-    <version>2016.1.2</version>
+    <version>2016.1.3</version>
     <authors>Matt Ellis, Andy Reeves</authors>
     <owners>JetBrains, Matt Ellis</owners>
     <summary>StyleCop analyzes C# source code to enforce a set of style and consistency rules. Maintained by JetBrains</summary>
     <description>StyleCop analyzes C# source code to enforce a set of style and consistency rules. This plugin is compatible with StyleCop 4.7.54, and maintained by JetBrains.</description>
     <releaseNotes>
+&#8226; Better version number reporting
+
+From 2016.1.2:
 &#8226; Updated to StyleCop 4.7.54 (StyleCop/StyleCop#52)
 
-From 2016.1.1
+From 2016.1.1:
 &#8226; Suppress message quick fix available again (StyleCop/StyleCop#59)
 &#8226; Fix duplicate warning tooltips (StyleCop/StyleCop#34)
 &#8226; Fix insert header documentation quick fix (StyleCop/StyleCop#57)

src/StyleCop.ReSharper/Options/StyleCopOptionsPage.cs

@@ -18,7 +18,9 @@
 
 namespace StyleCop.ReSharper.Options
 {
+    using System;
     using System.Diagnostics;
+    using System.Drawing;
     using System.Reflection;
 
     using JetBrains.Application.Components;
@@ -31,6 +33,7 @@ namespace StyleCop.ReSharper.Options
     using JetBrains.UI.Options;
     using JetBrains.UI.Options.OptionsDialog2.SimpleOptions;
     using JetBrains.UI.Options.OptionsDialog2.SimpleOptions.ViewModel;
+    using JetBrains.UI.RichText;
     using JetBrains.Util;
     using JetBrains.VsIntegration.Shell;
 
@@ -76,6 +79,25 @@ public StyleCopOptionsPage(
             this.originalPluginsPath =
                 settingsContext.GetValue((StyleCopOptionsSettingsKey options) => options.PluginsPath);
 
+            this.AddHeader("Version");
+
+            Assembly assembly = typeof(StyleCopEnvironment).Assembly;
+            string styleCopFileVersion = GetFileVersionInfo(assembly);
+            this.AddText(string.Format("StyleCop.dll {0} ({1})", assembly.GetName().Version, styleCopFileVersion));
+
+            assembly = this.GetType().Assembly;
+            string ourFileVersion = GetFileVersionInfo(assembly);
+            this.AddText(string.Format("StyleCop.ReSharper.dll {0} ({1})", assembly.GetName().Version, ourFileVersion));
+
+            if (ourFileVersion != styleCopFileVersion)
+            {
+                TextStyle style = new TextStyle(FontStyle.Bold, Color.Empty, Color.Empty);
+                this.AddRichText(
+                    new RichText(
+                        "Mismatched StyleCop.dll version! Are you running an older version of the Visual Studio plugin?",
+                        style));
+            }
+
             this.AddHeader("Options");
 
             // Note that we have to check to see if the lifetime is terminated before accessing the
@@ -125,13 +147,6 @@ public StyleCopOptionsPage(
             this.AddBoolOption(
                 (StyleCopOptionsSettingsKey options) => options.PluginsEnabled,
                 "Enable StyleCop plugins");
-            Assembly assembly = typeof(StyleCopEnvironment).Assembly;
-            string fileVersion = "";
-            if (assembly.Location != null)
-            {
-                fileVersion = FileVersionInfo.GetVersionInfo(assembly.Location).FileVersion;
-            }
-            this.AddText(string.Format("Plugins need to target StyleCop {0}", fileVersion));
             this.AddText("Location of StyleCop plugins:");
             Property<FileSystemPath> pluginsPath = this.SetupPluginsPathProperty(lifetime);
             FileChooserViewModel fileChooser = this.AddFolderChooserOption(
@@ -181,6 +196,16 @@ public override bool OnOk()
             return base.OnOk();
         }
 
+        private static string GetFileVersionInfo(Assembly assembly)
+        {
+            if (assembly.Location != null)
+            {
+                return FileVersionInfo.GetVersionInfo(assembly.Location).FileVersion;
+            }
+
+            return String.Empty;
+        }
+
         private static bool DoesHostSupportRoslynAnalzyers(IComponentContainer container)
         {
             bool hostSupportsRoslynAnalzyers = false;

src/StyleCop.ReSharper/StyleCop.ReSharper.csproj

@@ -154,6 +154,7 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Drawing" />
     <Reference Include="System.Web" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Windows.Interactivity, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
@@ -522,4 +523,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
+</Project>