Session management changes for wxMSW.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@820 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/app.cpp

@@ -97,6 +97,8 @@ LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
 
   BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
       EVT_IDLE(wxApp::OnIdle)
+      EVT_END_SESSION(wxApp::OnEndSession)
+      EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
   END_EVENT_TABLE()
 #endif
 
@@ -892,6 +894,23 @@ void wxApp::DeletePendingObjects()
   }
 }
 
+void wxApp::OnEndSession(wxCloseEvent& event)
+{
+    if (GetTopWindow())
+        GetTopWindow()->Close(TRUE);
+}
+
+// Default behaviour: close the application with prompts. The
+// user can veto the close, and therefore the end session.
+void wxApp::OnQueryEndSession(wxCloseEvent& event)
+{
+    if (GetTopWindow())
+    {
+        if (!GetTopWindow()->Close(!event.CanVeto()))
+            event.Veto(TRUE);
+    }
+}
+
 wxLog* wxApp::CreateLogTarget()
 {
     return new wxLogGui;