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Index: src/deployment.h
===================================================================
--- src/deployment.h	(revision 131791)
+++ src/deployment.h	(working copy)
@@ -95,6 +95,13 @@
 	void TrackObjectCreated (EventObject *obj);
 	void TrackObjectDestroyed (EventObject *obj);
 
+	bool IsLoadedFromXap ();
+	/* @GenerateCBinding,GeneratePInvoke */
+	void SetIsLoadedFromXap (bool flag);
+
+	void SetXapLocation (const char *location);
+	const char *GetXapLocation ();
+
 	const static int ShuttingDownEvent;
 
 protected:
@@ -113,6 +120,9 @@
 	MonoDomain *domain;
 	List *downloaders;
 
+	bool is_loaded_from_xap;
+	char *xap_location;
+
 #if GLIB_CHECK_VERSION(2,10,0)
 	volatile gpointer pending_unrefs;
 #else
Index: src/deployment.cpp
===================================================================
--- src/deployment.cpp	(revision 131791)
+++ src/deployment.cpp	(working copy)
@@ -243,6 +243,8 @@
 void
 Deployment::InnerConstructor ()
 {
+	is_loaded_from_xap = false;
+	xap_location = NULL;
 	current_app = NULL;
 	pending_unrefs = NULL;
 	objects_created = 0;
@@ -294,6 +296,8 @@
 
 Deployment::~Deployment()
 {
+	g_free (xap_location);
+
 	pthread_mutex_lock (&hash_mutex);
 	g_hash_table_remove (current_hash, domain);
 	pthread_mutex_unlock (&hash_mutex);
@@ -545,6 +549,31 @@
 #endif
 }
 
+bool
+Deployment::IsLoadedFromXap ()
+{
+	return is_loaded_from_xap;
+}
+
+void
+Deployment::SetIsLoadedFromXap (bool flag)
+{
+	is_loaded_from_xap = flag;
+}
+
+void
+Deployment::SetXapLocation (const char *location)
+{
+	g_free (xap_location);
+	xap_location = g_strdup (location);
+}
+
+const char*
+Deployment::GetXapLocation ()
+{
+	return xap_location;
+}
+
 /*
  * AssemblyPart
  */
Index: src/runtime.h
===================================================================
--- src/runtime.h	(revision 131791)
+++ src/runtime.h	(working copy)
@@ -213,9 +213,6 @@
 	void SetSourceLocation (const char *location);
 	bool FullScreenKeyHandled (GdkEventKey *key);
 
-	const char* GetXapLocation ();
-	void SetXapLocation (const char *location);
-	
 	/* @GenerateCBinding,GeneratePInvoke */
 	TimeManager *GetTimeManager () { return time_manager; }
 
Index: src/runtime.cpp
===================================================================
--- src/runtime.cpp	(revision 131791)
+++ src/runtime.cpp	(working copy)
@@ -760,19 +760,6 @@
 	source_location = g_strdup (location);
 }
 
-const char*
-Surface::GetXapLocation ()
-{
-	return xap_location;
-}
-
-void
-Surface::SetXapLocation (const char* location)
-{
-	g_free (xap_location);
-	xap_location = g_strdup (location);
-}
-
 void 
 Surface::HideFullScreenMessage ()
 {
Index: plugin/plugin.h
===================================================================
--- plugin/plugin.h	(revision 131791)
+++ plugin/plugin.h	(working copy)
@@ -203,8 +203,6 @@
 	PluginXamlLoader *xaml_loader;
 	Deployment   *deployment;
 #if PLUGIN_SL_2_0
-	bool xap_loaded;
-
 	MonoAssembly *system_windows_assembly;
 
 	static bool mono_is_loaded;
Index: plugin/plugin.cpp
===================================================================
--- plugin/plugin.cpp	(revision 131791)
+++ plugin/plugin.cpp	(working copy)
@@ -402,8 +402,6 @@
 	vm_missing_file = NULL;
 	xaml_loader = NULL;
 #if PLUGIN_SL_2_0
-	xap_loaded = false;
-
 	system_windows_assembly = NULL;
 
 	moon_load_xaml =
@@ -1145,23 +1143,19 @@
 		return;
 	}
 
-	if (surface)
-		surface->SetXapLocation (url);
-
 	if (source_location)
 		g_free (source_location);
 	source_location = g_strdup (url);
 
 	ManagedInitializeDeployment (fname);
-	xap_loaded = true;
+	GetDeployment()->SetXapLocation (url);
 }
 
 void
 PluginInstance::DestroyApplication ()
 {
-	if (xap_loaded)
+	if (GetDeployment()->IsLoadedFromXap())
 		ManagedDestroyApplication ();
-	xap_loaded = false;
 }
 #endif
 
Index: class/System.Windows/System.Windows/Deployment.cs
===================================================================
--- class/System.Windows/System.Windows/Deployment.cs	(revision 131791)
+++ class/System.Windows/System.Windows/Deployment.cs	(working copy)
@@ -160,6 +160,7 @@
 			if (!ReadManifest ())
 				return false;
 
+			NativeMethods.deployment_set_is_loaded_from_xap (native, true);
 			return LoadAssemblies ();
 		}