Fix bug where Stylet would launch before resources were loaded

Stylet/Bootstrapper.cs

@@ -16,14 +16,14 @@ namespace Stylet
     public class Bootstrapper<TRootViewModel> : BootstrapperBase<TRootViewModel> where TRootViewModel : class
     {
         /// <summary>
-        /// Create a new Bootstrapper, which automatically starts and launches
+        /// Create a new Bootstrapper, which automatically starts and launches on application startup
         /// </summary>
         public Bootstrapper() : base() { }
 
         /// <summary>
-        /// Create a new Bootstrapper, and specify whether to auto-start and auto-launhc
+        /// Create a new Bootstrapper, and specify whether to auto-start and auto-launch
         /// </summary>
-        /// <param name="autoStart">True to call this.Start() at the end of this constructor</param>
+        /// <param name="autoStart">True to call this.Start() on Application.Startup. If false, call this.Start() in your OnStartup override</param>
         public Bootstrapper(bool autoStart) : base(autoStart) { }
 
         /// <summary>

Stylet/BootstrapperBase.cs

@@ -24,7 +24,7 @@ namespace Stylet
         protected Application Application { get; private set; }
 
         /// <summary>
-        /// Create a new BootstrapperBase, which automatically start
+        /// Create a new BootstrapperBase, which automatically starts on application startup
         /// </summary>
         public BootstrapperBase() : this(true) { }
 
@@ -40,15 +40,17 @@ namespace Stylet
             // Allows for unit testing
             if (this.Application != null)
             {
-                this.Application.Startup += this.OnStartup;
+                this.Application.Startup += (o, e) =>
+                {
+                    this.OnStartup(o, e);
+                    if (autoStart)
+                        this.Start();
+                };
 
                 // Make life nice for the app - they can handle these by overriding Bootstrapper methods, rather than adding event handlers
                 this.Application.Exit += OnExit;
                 this.Application.DispatcherUnhandledException += OnUnhandledExecption;
             }
-
-            if (autoStart)
-                this.Start();
         }
 
         /// <summary>