Attempting to set results message

Author: SteveWilkes

ReadableExpressions.Visualizers.Installer.Custom/VisualizerInstallationActions.cs

@@ -19,6 +19,7 @@ public class VisualizerInstallationActions
         private static readonly Lazy<string> _vsixManifestLoader;
 
         private static Session _session;
+        private static string _resultMessage;
 
         static VisualizerInstallationActions()
         {
@@ -78,7 +79,7 @@ public static ActionResult Install(Session session)
                     installed.Add("Visual Studio " + visualizer.VsFullVersionNumber);
                 }
 
-                session["WIXUI_EXITDIALOGOPTIONALTEXT"] = string.Join(Environment.NewLine, installed);
+                _resultMessage = string.Join(Environment.NewLine, installed);
 
                 Log("Complete");
 
@@ -113,6 +114,13 @@ public static ActionResult Uninstall(Session session)
             return ActionResult.Success;
         }
 
+        [CustomAction]
+        public static ActionResult SetResultMessage(Session session)
+        {
+            session["WIXUI_EXITDIALOGOPTIONALTEXT"] = _resultMessage;
+            return ActionResult.Success;
+        }
+
         private static IEnumerable<Visualizer> GetRelevantVisualizers()
         {
             using (var registryData = new RegistryData(_thisAssemblyVersion))

ReadableExpressions.Visualizers.Installer/Product.wxs

@@ -22,6 +22,8 @@
       <Custom Action="VisualizersUninstall" Before="InstallFinalize">
         (NOT UPGRADINGPRODUCTCODE) AND (REMOVE="ALL")
       </Custom>
+      
+      <Custom Action="SetResultMessage" After="InstallFinalize" />
     </InstallExecuteSequence>
   </Product>
 
@@ -50,5 +52,8 @@
 
     <CustomAction Id="VisualizersUninstall" BinaryKey="VisualizersBinary"
                   DllEntry="Uninstall" Impersonate="no" Execute="deferred" Return="check"/>
+
+    <CustomAction Id="SetResultMessage" BinaryKey="VisualizersBinary"
+                  DllEntry="SetResultMessage" Impersonate="no" Execute="immediate" Return="ignore"/>
   </Fragment>
 </Wix>